Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph

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Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
NORTH BAY A

Symbol	Description
	Daily Maximum Temperature (°C)
	Daily Average Temperature (°C)
	Daily Minimum Temperature (°C)
	Precipitation (mm)

Normals Data

The minimum number of years used to calculate these Normals is indicated by a code for each element. A "+" beside an extreme date indicates that this date is the first occurrence of the extreme value. Values and dates in bold indicate all-time extremes for the location.

Data used in the calculation of these Normals may be subject to further quality assurance checks. This may result in minor changes to some values presented here.

NORTH BAY A *
ONTARIO

46°21'49.000" N

79°25'22.000" W

370.30 m

6085700

71731

YYB

* This station meets WMO standards for temperature and precipitation.

Temperature

1981 to 2010 Canadian Climate Normals station data
Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Daily Average (°C)	-12.5	-10.4	-4.5	4.0	11.2	16.3	18.9	17.7	13.0	6.2	-0.8	-8.3	4.2	A
Standard Deviation	3.5	2.8	2.2	2.1	2.1	1.5	1.2	1.4	1.6	1.5	2.0	3.2	0.9	A
Daily Maximum (°C)	-7.6	-5.3	0.6	9.1	16.7	21.6	24.0	22.7	17.7	10.3	2.8	-4.1	9.0	A
Daily Minimum (°C)	-17.4	-15.4	-9.6	-1.2	5.6	11.0	13.7	12.7	8.2	2.0	-4.4	-12.3	-0.6	A
Extreme Maximum (°C)	12.2	12.5	23.9	29.9	32.0	33.3	35.4	33.5	33.3	26.7	20.0	14.4
Date (yyyy/dd)	1950/ 25	2000/ 26	1945/ 26	1990/ 28	2010/ 26	1944/ 28	1988/ 08	2001/ 08	1953/ 03	1946/ 06	1961/ 03	1982/ 03
Extreme Minimum (°C)	-40.0	-39.4	-36.7	-21.1	-8.3	-2.1	2.6	0.0	-4.5	-11.7	-23.9	-36.8
Date (yyyy/dd)	1942/ 10	1943/ 15	1950/ 03	1954/ 04	1966/ 07	1986/ 02	1992/ 21	1976/ 30	1989/ 27	1969/ 23	1958/ 30	2004/ 20

Precipitation

1981 to 2010 Canadian Climate Normals station data
Precipitation
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Rainfall (mm)	19.3	11.8	31.8	56.3	93.1	98.0	99.4	90.6	115.2	99.1	65.5	22.7	802.8	A
Snowfall (cm)	65.3	58.6	39.5	16.7	3.2	0.1	0.0	0.0	0.1	8.1	38.0	70.1	299.6	A
Precipitation (mm)	68.9	57.1	64.6	71.6	96.3	98.3	99.4	90.6	115.4	106.6	98.1	77.8	1044.6	A
Average Snow Depth (cm)	33	46	37	5	0	0	0	0	0	0	3	17	12	A
Median Snow Depth (cm)	34	46	36	3	0	0	0	0	0	0	1	16	11	A
Snow Depth at Month-end (cm)	42	44	18	0	0	0	0	0	0	0	7	26	11	A
Extreme Daily Rainfall (mm)	52.7	21.8	45.7	62.2	50.4	63.8	93.2	96.3	71.0	75.2	53.2	38.4
Date (yyyy/dd)	1997/ 22	2009/ 27	1942/ 08	1939/ 01	2009/ 28	1957/ 29	1990/ 30	1952/ 31	1999/ 28	1983/ 03	1995/ 11	1961/ 04
Extreme Daily Snowfall (cm)	33.6	27.6	48.3	29.5	19.2	4.2	0.0	0.0	4.6	26.2	23.2	26.2
Date (yyyy/dd)	2006/ 29	2006/ 05	1943/ 10	1969/ 01	2004/ 02	2007/ 05	1939/ 01	1939/ 01	1956/ 30	1962/ 30	2007/ 24	2009/ 09
Extreme Daily Precipitation (mm)	56.7	37.8	48.3	73.7	50.4	63.8	93.2	96.3	71.0	75.2	54.8	38.4
Date (yyyy/dd)	1997/ 22	2002/ 20	1943/ 10	1939/ 01	2009/ 28	1957/ 29	1990/ 30	1952/ 31	1999/ 28	1983/ 03	1995/ 11	1961/ 04
Extreme Snow Depth (cm)	98	120	117	81	10	0	0	0	20	23	40	84
Date (yyyy/dd)	1979/ 25	1997/ 28	1997/ 01	1972/ 04	1974/ 07	1955/ 01	1955/ 01	1955/ 01	1989/ 02	1962/ 31	1990/ 12	1989/ 28

Days with Maximum Temperature

1981 to 2010 Canadian Climate Normals station data
Days with Maximum Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
<= 0 °C	26.7	22.6	14.0	2.2	0.0	0.0	0.0	0.0	0.0	0.50	9.5	23.1	98.6	A
> 0 °C	4.3	5.7	17.0	27.8	31.0	30.0	31.0	31.0	30.0	30.5	20.5	7.9	266.6	A
> 10 °C	0.10	0.10	2.2	12.5	27.1	29.7	31.0	31.0	28.3	15.3	3.4	0.27	180.9	A
> 20 °C	0.0	0.0	0.0	1.9	9.0	19.1	26.7	23.7	9.5	1.5	0.0	0.0	91.3	A
> 30 °C	0.0	0.0	0.0	0.0	0.10	0.70	1.2	0.73	0.10	0.0	0.0	0.0	2.8	A
> 35 °C	0.0	0.0	0.0	0.0	0.0	0.0	0.07	0.0	0.0	0.0	0.0	0.0	0.07	A

Days with Minimum Temperature

1981 to 2010 Canadian Climate Normals station data
Days with Minimum Temperature
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
> 0 °C	0.30	0.73	2.6	12.2	26.9	30.0	31.0	31.0	28.9	19.0	6.0	1.2	189.8	A
<= 2 °C	30.9	28.0	29.9	22.8	8.0	0.70	0.0	0.03	3.1	17.5	27.2	30.7	199.0	A
<= 0 °C	30.7	27.5	28.4	17.8	4.1	0.03	0.0	0.0	1.1	12.0	24.0	29.8	175.5	A
< -2 °C	29.9	26.6	25.6	12.3	1.2	0.03	0.0	0.0	0.27	5.4	18.6	27.9	147.8	A
< -10 °C	24.4	21.4	14.5	1.5	0.0	0.0	0.0	0.0	0.0	0.0	5.5	18.3	85.5	A
< -20 °C	12.3	8.3	2.8	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.13	5.9	29.5	A
< - 30 °C	2.2	0.37	0.07	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.37	3.0	A

Days with Rainfall

1981 to 2010 Canadian Climate Normals station data
Days with Rainfall
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 mm	3.9	2.2	5.2	9.6	13.8	14.0	12.6	11.9	13.9	13.9	10.2	4.6	115.7	A
>= 5 mm	1.3	0.93	2.1	4.0	6.1	5.7	5.4	5.5	6.6	6.7	3.9	1.5	49.7	A
>= 10 mm	0.67	0.47	1.1	1.9	3.2	3.4	3.2	2.8	4.1	3.4	2.1	0.77	27.1	A
>= 25 mm	0.07	0.0	0.13	0.27	0.60	0.83	0.97	0.83	1.0	0.53	0.37	0.10	5.7	A

Days With Snowfall

1981 to 2010 Canadian Climate Normals station data
Days With Snowfall
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 cm	17.7	14.8	10.6	5.8	1.0	0.03	0.0	0.0	0.17	3.0	11.4	18.2	82.7	A
>= 5 cm	4.8	3.9	3.0	1.2	0.17	0.0	0.0	0.0	0.0	0.33	2.6	5.4	21.3	A
>= 10 cm	1.1	1.5	1.0	0.23	0.03	0.0	0.0	0.0	0.0	0.17	0.70	1.4	6.1	A
>= 25 cm	0.07	0.10	0.03	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.03	0.23	A

Days with Precipitation

1981 to 2010 Canadian Climate Normals station data
Days with Precipitation
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 0.2 mm	18.6	15.3	13.4	13.0	14.1	14.0	12.6	11.9	14.0	15.5	17.7	20.1	180.3	A
>= 5 mm	4.4	3.9	4.1	5.0	6.3	5.7	5.4	5.5	6.6	7.1	6.0	5.4	65.3	A
>= 10 mm	1.6	1.4	2.0	2.2	3.3	3.4	3.2	2.8	4.1	3.6	3.0	1.8	32.5	A
>= 25 mm	0.13	0.13	0.20	0.33	0.63	0.83	0.97	0.83	1.0	0.53	0.47	0.17	6.2	A

Days with Snow Depth

1981 to 2010 Canadian Climate Normals station data
Days with Snow Depth
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
>= 1 cm	30.6	28.2	29.0	10.7	0.30	0.0	0.0	0.0	0.03	1.2	13.3	27.8	141.3	A
>= 5 cm	30.4	28.1	27.7	7.0	0.10	0.0	0.0	0.0	0.03	0.27	7.4	24.6	125.6	A
>= 10 cm	29.2	27.8	26.1	5.4	0.0	0.0	0.0	0.0	0.03	0.07	3.2	20.4	112.2	A
>= 20 cm	24.1	25.2	21.9	3.0	0.0	0.0	0.0	0.0	0.03	0.0	0.83	10.9	86.0	A

Wind

1981 to 2010 Canadian Climate Normals station data
Wind
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Speed (km/h)	13.4	13.8	14.6	15.0	13.8	12.3	11.7	11.2	12.3	13.4	14.1	13.4	13.2	A
Most Frequent Direction	N	N	N	N	SW	SW	SW	SW	SW	SW	W	W	SW	A
Maximum Hourly Speed (km/h)	65	64	72	59	64	64	56	56	51	70	68	61
Date (yyyy/dd)	2008/ 30	1953/ 21	1956/ 08	1984/ 30	1954/ 25	1957/ 29	1999/ 07	1955/ 31	1957/ 05	2002/ 04	1957/ 08	2008/ 15
Direction of Maximum Hourly Speed	SW	W	E	SW	W	W	NW	SW	NW	SW	SW	SW
Maximum Gust Speed (km/h)	100	90	98	97	93	115	82	91	89	96	96	85
Date (yyyy/dd)	1975/ 11	1967/ 16	2002/ 10	1975/ 19	1990/ 17	1999/ 13	1999/ 07	1988/ 05	1992/ 18	1993/ 21	1998/ 10	1971/ 11
Direction of Maximum Gust	S	NE	SW	SW	W	SW	NW	S	SW	SW	SW	W
Days with Winds >= 52 km/h	0.6	0.4	0.7	0.5	0.4	0.1	0.3	0.0	0.0	0.7	0.5	0.7	5.0	A
Days with Winds >= 63 km/h	0.1	0.0	0.2	0.1	0.1	0.0	0.1	0.0	0.0	0.2	0.2	0.1	1.3	A

Degree Days

1981 to 2010 Canadian Climate Normals station data
Degree Days
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Above 24 °C	0	0	0	0	0	0.6	2	1.3	0.1	0	0	0	4	A
Above 18 °C	0	0	0	0.7	5.6	28.9	54.4	39.5	8.6	0.4	0	0	138	A
Above 15 °C	0	0	0	2.8	20.8	72.1	124.6	97.9	28.7	2.6	0	0	349.5	A
Above 10 °C	0	0	0.3	14	82	193.1	274.5	239.9	109.9	19.1	0.8	0.1	933.6	A
Above 5 °C	0.2	0.2	5.4	52.2	196.7	339.7	429.5	394.5	241	76.6	10	0.7	1746.7	A
Above 0 °C	2.7	4.9	30	141.5	346	489.5	584.5	549.5	389.2	194.8	52.8	7.8	2793.2	A
Below 0 °C	391.5	297.2	170.1	22.9	0.2	0	0	0	0	4	77.6	263.5	1,227	A
Below 5 °C	544.1	433.6	300.4	83.5	5.9	0.2	0	0	1.8	40.8	184.8	411.5	2006.6	A
Below 10 °C	698.8	574.6	450.3	195.4	46.2	3.6	0	0.4	20.7	138.3	325.6	565.8	3019.7	A
Below 15 °C	853.8	715.8	605	334.2	140	32.6	5.2	13.4	89.4	276.7	474.8	720.8	4261.7	A
Below 18 °C	946.8	800.5	698	422	217.8	79.4	27.9	48	159.4	367.5	564.8	813.8	5145.9	A

Bright Sunshine

1981 to 2010 Canadian Climate Normals station data
Bright Sunshine
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Total Hours	86.4	116.5	151.0	190.5	235.2	245.8	266.1	224.8	154.4	118.3	64.6	69.0	1922.4	D
Days with measurable	19.3	20.5	24.3	25.0	28.3	28.0	29.1	28.0	25.4	25.2	17.5	16.4	287.0	D
% of possible daylight hours	30.8	40.1	41.0	46.9	50.7	52.1	55.8	51.2	40.9	34.9	22.7	25.7	41.1	D
Extreme Daily	9.7	10.5	11.9	13.9	15.9	15.5	15.4	14.4	13.2	10.8	10.0	8.6
Date (yyyy/dd)	2003/ 29	1986/ 26	1995/ 28	1999/ 28	1996/ 24	1970/ 12	1978/ 01	1971/ 04	1970/ 01	1981/ 12	1988/ 18	1971/ 04

Humidex

1981 to 2010 Canadian Climate Normals station data
Humidex
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Humidex	12.2	12.7	20.8	29.9	38.3	40.8	42.3	42.3	41.2	33.0	22.4	17.6
Date (yyyy/dd)	1995/ 14	1999/ 12	1990/ 15	1990/ 26	2006/ 30	1994/ 16	1975/ 31	2006/ 01	1953/ 01	2005/ 04	1961/ 03	1982/ 03
Days with Humidex >= 30	0.0	0.0	0.0	0.0	0.7	4.9	8.0	6.3	1.7	0.0	0.0	0.0	21.6	A
Days with Humidex >= 35	0.0	0.0	0.0	0.0	0.1	0.9	1.8	1.3	0.1	0.0	0.0	0.0	4.3	A
Days with Humidex >= 40	0.0	0.0	0.0	0.0	0.0	0.1	0.2	0.2	0.0	0.0	0.0	0.0	0.4	A

Wind Chill

1981 to 2010 Canadian Climate Normals station data
Wind Chill
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Extreme Wind Chill (°C)	-52	-47	-42	-31	-15	-8	0	-4	-7	-17	-35	-49
Date (yyyy/dd)	1982/ 10	1995/ 05	2003/ 02	1972/ 07	1957/ 16	1972/ 10	1953/ 01	1976/ 30	1974/ 22	1955/ 25	1958/ 30	1993/ 26
Days with Wind Chill < -20	20.5	16.9	9.1	0.6	0.0	0.0	0.0	0.0	0.0	0.0	1.8	12.7	61.6	A
Days with Wind Chill < -30	8.7	5.2	1.7	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.1	3.4	19.0	A
Days with Wind Chill < -40	1.5	0.1	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.2	2.0	A

Humidity

1981 to 2010 Canadian Climate Normals station data
Humidity
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Average Vapour Pressure (kPa)	0.2	0.3	0.3	0.5	0.9	1.3	1.6	1.5	1.2	0.8	0.5	0.3	0.8	A
Average Relative Humidity - 0600LST (%)	79.6	77.4	74.5	74.1	75.7	81.7	85.6	89	90.9	87.2	86.1	84.3	82.2	A
Average Relative Humidity - 1500LST (%)	72.4	66	57.6	53	51.8	56.3	57.4	60.2	65.5	66.9	75.2	77.3	63.3	A

Pressure

1981 to 2010 Canadian Climate Normals station data
Pressure
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Average Station Pressure (kPa)	97	97.1	97.1	97	97	97	97.1	97.2	97.3	97.2	97.1	97	97.1	A
Average Sea Level Pressure (kPa)	101.6	101.7	101.7	101.5	101.5	101.4	101.4	101.6	101.7	101.7	101.6	101.6	101.6	A

Visibility (hours with)

1981 to 2010 Canadian Climate Normals station data
Visibility (hours with)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
< 1 km	31	23.4	31.9	18.2	11.8	6.4	4.6	6.9	14	17.9	31.8	36.7	234.6	C
1 to 9 km	168	135.5	102.7	81.7	70.2	65.5	74.9	84.3	88.7	87.6	129.3	176.6	1264.9	C
> 9 km	545	519.4	609.4	620.1	662	648.1	664.6	652.8	617.3	638.5	559	530.7	7266.8	C

Cloud Amount (hours with)

1981 to 2010 Canadian Climate Normals station data
Cloud Amount (hours with)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
0 to 2 tenths	181.9	189.5	235.1	197.6	189.8	179.4	197.1	210.4	186.2	157.2	109.2	144.6	2,178	C
3 to 7 tenths	94.8	100.7	113.6	125.6	154.8	185.9	226.4	206.5	168.3	128.6	93.3	92.2	1690.6	C
8 to 10 tenths	467.3	387.3	395.3	396.8	399.5	354.7	320.6	327.1	365.5	458.2	517.5	507.2	4896.9	C

Frost-Free

1981 to 2010 Canadian Climate Normals station data
Frost-Free
	Date/Days	Code
Average Date of Last Spring Frost	May 16	A
Average Date of First Fall Frost	Sept 29	A
Average Length of Frost-Free Period	135 Days	A

1981 to 2010 Canadian Climate Normals station data
Frost-Free
Probability of last temperature in spring of 0 °C or lower on or after indicated dates	10%	25%	33%	50%	66%	75%	90%
Date	Jun 02	May 26	May 22	May 17	May 13	May 11	May 05
Probability of first temperature in fall of 0 °C or lower on or before indicated dates	10%	25%	33%	50%	66%	75%	90%
Date	Sep 14	Sep 20	Sep 23	Sep 27	Oct 03	Oct 04	Oct 07
Probability of frost-free period equal to or less than indicated period (Days)	10%	25%	33%	50%	66%	75%	90%
Days	105	123	125	132	135	138	150

Legend

A = WMO "3 and 5 rule" (i.e. no more than 3 consecutive and no more than 5 total missing for either temperature or precipitation)
B = At least 25 years

C = At least 20 years
D = At least 15 years

Station / Element Metadata

Statistics listed below are provided as a guide to determine the validity of Normals and Extremes calculations. For example, a station with 30 years of record between 1981 and 2010 with no missing years would be a more reliable normal than a station with 15 years of record and 2 missing years. Less than 100% possible observations indicates that out of the total number of observations used, some records were missing.

NORTH BAY A

Province/Territory

Latitude (dd mm):

46 21 N

Country

CAN

Longitude (ddd mm):

79 25 W

Time Zone

EST

Latitude (decimal degrees):

46.36 N

Climate ID:

6085700

Longitude (decimal degrees):

79.42 W

WMO ID:

71731

Elevation (m):

370.3

TC ID:

YYB

Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Daily Average (°C)	1981	2010	30	0	10957	100
Standard Deviation	1981	2010	30	0	10957	100
Daily Maximum (°C)	1981	2010	30	0	10957	100
Daily Minimum (°C)	1981	2010	30	0	10957	100
Extreme Maximum (°C)	1939	2010			26293	100
Extreme Minimum (°C)	1939	2010			26295	100

Precipitation

1981 to 2010 Canadian Climate Normals Element Metadata
Precipitation
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Rainfall (mm)	1981	2010	30	0	10957	100
Snowfall (cm)	1981	2010	30	0	10957	100
Precipitation (mm)	1981	2010	30	0	10957	100
Average Snow Depth (cm)	1981	2010	30	0	10957	100
Median Snow Depth (cm)	1981	2010	30	0	10957	100
Snow Depth at Month-end (cm)	1981	2010	30	0	360	100
Extreme Daily Rainfall (mm)	1939	2010			26282	99.9
Extreme Daily Snowfall (cm)	1939	2010			26283	99.9
Extreme Daily Precipitation (mm)	1939	2010			26269	99.9
Extreme Snow Depth (cm)	1955	2010			20454	100

Days with Maximum Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Maximum Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
<= 0 °C	1981	2010	30	0	10957	100
> 0 °C	1981	2010	30	0	10957	100
> 10 °C	1981	2010	30	0	10957	100
> 20 °C	1981	2010	30	0	10957	100
> 30 °C	1981	2010	30	0	10957	100
> 35 °C	1981	2010	30	0	10957	100

Days with Minimum Temperature

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Minimum Temperature
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
> 0 °C	1981	2010	30	0	10957	100
<= 2 °C	1981	2010	30	0	10957	100
<= 0 °C	1981	2010	30	0	10957	100
< -2 °C	1981	2010	30	0	10957	100
< -10 °C	1981	2010	30	0	10957	100
< -20 °C	1981	2010	30	0	10957	100
< - 30 °C	1981	2010	30	0	10957	100

Days with Rainfall

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Rainfall
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 mm	1981	2010	30	0	10957	100
>= 5 mm	1981	2010	30	0	10957	100
>= 10 mm	1981	2010	30	0	10957	100
>= 25 mm	1981	2010	30	0	10957	100

Days With Snowfall

1981 to 2010 Canadian Climate Normals Element Metadata
Days With Snowfall
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 cm	1981	2010	30	0	10957	100
>= 5 cm	1981	2010	30	0	10957	100
>= 10 cm	1981	2010	30	0	10957	100
>= 25 cm	1981	2010	30	0	10957	100

Days with Precipitation

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Precipitation
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 0.2 mm	1981	2010	30	0	10957	100
>= 5 mm	1981	2010	30	0	10957	100
>= 10 mm	1981	2010	30	0	10957	100
>= 25 mm	1981	2010	30	0	10957	100

Days with Snow Depth

1981 to 2010 Canadian Climate Normals Element Metadata
Days with Snow Depth
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
>= 1 cm	1981	2010	30	0	10957	100
>= 5 cm	1981	2010	30	0	10957	100
>= 10 cm	1981	2010	30	0	10957	100
>= 20 cm	1981	2010	30	0	10957	100

Wind

1981 to 2010 Canadian Climate Normals Element Metadata
Wind
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Speed (km/h)	1981	2010	30	0	262659	99.9
Most Frequent Direction	1981	2010	30	0	262659	99.9
Maximum Hourly Speed (km/h)	1953	2010			508106	99.9
Maximum Gust Speed (km/h)	1963	2010			16752	97.4
Days with Winds >= 52 km/h	1981	2010	30	1	10626	96.9
Days with Winds >= 63 km/h	1981	2010	30	1	10626	96.9

Degree Days

1981 to 2010 Canadian Climate Normals Element Metadata
Degree Days
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Above 24 °C	1981	2010	30	0	10957	100
Above 18 °C	1981	2010	30	0	10957	100
Above 15 °C	1981	2010	30	0	10957	100
Above 10 °C	1981	2010	30	0	10957	100
Above 5 °C	1981	2010	30	0	10957	100
Above 0 °C	1981	2010	30	0	10957	100
Below 0 °C	1981	2010	30	0	10957	100
Below 5 °C	1981	2010	30	0	10957	100
Below 10 °C	1981	2010	30	0	10957	100
Below 15 °C	1981	2010	30	0	10957	100
Below 18 °C	1981	2010	30	0	10957	100

Bright Sunshine

1981 to 2010 Canadian Climate Normals Element Metadata
Bright Sunshine
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Total Hours	1981	2003	23	2	186936	95.9
Days with measurable	1981	2003	23	2	186936	95.9
% of possible daylight hours	1981	2003	23	2	186936	95.9
Extreme Daily	1963	2003			341738	99.1

Humidex

1981 to 2010 Canadian Climate Normals Element Metadata
Humidex
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Humidex	1953	2010			508093	99.9
Days with Humidex >= 30	1981	2010	30	0	262658	99.9
Days with Humidex >= 35	1981	2010	30	0	262658	99.9
Days with Humidex >= 40	1981	2010	30	0	262658	99.9

Wind Chill

1981 to 2010 Canadian Climate Normals Element Metadata
Wind Chill
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Extreme Wind Chill (°C)	1953	2010			508103	99.9
Days with Wind Chill < -20	1981	2010	30	0	262657	99.9
Days with Wind Chill < -30	1981	2010	30	0	262657	99.9
Days with Wind Chill < -40	1981	2010	30	0	262657	99.9

Humidity

1981 to 2010 Canadian Climate Normals Element Metadata
Humidity
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Vapour Pressure (kPa)	1981	2010	30	0	262658	99.9
Average Relative Humidity - 0600LST (%)	1981	2010	30	0	10943	99.9
Average Relative Humidity - 1500LST (%)	1981	2010	30	0	10945	99.9

Pressure

1981 to 2010 Canadian Climate Normals Element Metadata
Pressure
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Station Pressure (kPa)	1981	2010	30	0	262654	99.9
Average Sea Level Pressure (kPa)	1981	2010	30	0	262646	99.9

Visibility (hours with)

1981 to 2010 Canadian Climate Normals Element Metadata
Visibility (hours with)
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
< 1 km	1981	2010	26	6	213312	81.1
1 to 9 km	1981	2010	26	6	213312	81.1
> 9 km	1981	2010	26	6	213312	81.1

Cloud Amount (hours with)

1981 to 2010 Canadian Climate Normals Element Metadata
Cloud Amount (hours with)
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
0 to 2 tenths	1981	2010	26	7	211128	80.3
3 to 7 tenths	1981	2010	26	7	211128	80.3
8 to 10 tenths	1981	2010	26	7	211128	80.3

Frost-Free

1981 to 2010 Canadian Climate Normals Element Metadata
Frost-Free
	Begin Year	End Year	Total Number of Years	Missing Years	Total Count of Observations	% of Possible Observations
Average Date of Last Spring Frost	1981	2010	30	0	30	100.0
Average Date of First Fall Frost	1981	2010	30	0	30	100.0
Average Length of Frost-Free Period	1981	2010	30	0	30	100.0
Probability of last temperature in spring <= 0°C, on or after (Date)
10 %	1940	2010	70	0	70	98.6
25 %	1940	2010	70	0	70	98.6
33 %	1940	2010	70	0	70	98.6
50 %	1940	2010	70	0	70	98.6
66 %	1940	2010	70	0	70	98.6
75 %	1940	2010	70	0	70	98.6
90 %	1940	2010	70	0	70	98.6
Probability of first temperature in fall <= 0°C, on or before (Date)
10 %	1940	2010	70	0	70	98.6
25 %	1940	2010	70	0	70	98.6
33 %	1940	2010	70	0	70	98.6
50 %	1940	2010	70	0	70	98.6
66 %	1940	2010	70	0	70	98.6
75 %	1940	2010	70	0	70	98.6
90 %	1940	2010	70	0	70	98.6
Probability of frost-free period equal to or less than indicated period (Days)
10 %	1940	2010	70	0	70	98.6
25 %	1940	2010	70	0	70	98.6
33 %	1940	2010	70	0	70	98.6
50 %	1940	2010	70	0	70	98.6
66 %	1940	2010	70	0	70	98.6
75 %	1940	2010	70	0	70	98.6
90 %	1940	2010	70	0	70	98.6

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Date modified:: 2024-03-27

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
NORTH BAY A

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate NormalsNORTH BAY A

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Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate Normals
NORTH BAY A