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
SYDNEY 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.

SYDNEY A *
NOVA SCOTIA

46°10'00.000" N

60°02'53.300" W

61.90 m

8205700

71707

YQY

* 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)	-5.4	-5.9	-2.6	2.5	7.9	13.2	17.9	18.0	14.0	8.5	3.8	-1.5	5.9	A
Standard Deviation	2.0	2.2	1.9	1.3	1.4	1.3	1.4	1.1	1.3	1.3	1.1	1.8	1.0	A
Daily Maximum (°C)	-1.1	-1.5	1.5	6.6	13.1	18.6	23.1	22.9	18.8	12.6	7.3	2.1	10.3	A
Daily Minimum (°C)	-9.6	-10.3	-6.7	-1.6	2.7	7.7	12.6	13.1	9.1	4.3	0.2	-5.0	1.4	A
Extreme Maximum (°C)	16.9	18.0	17.8	27.2	31.1	34.4	33.9	35.5	32.3	25.0	22.2	16.7
Date (yyyy/dd)	1995/ 16	2000/ 28	1945/ 29	1942/ 25	1960/ 31	1944/ 29	1975/ 19	2001/ 10	2001/ 10	1950/ 03	1961/ 05	1951/ 06
Extreme Minimum (°C)	-26.2	-27.3	-25.6	-14.6	-7.8	-3.9	2.2	2.8	-1.7	-5.6	-12.0	-22.2
Date (yyyy/dd)	1994/ 26	1994/ 08	2001/ 02	1995/ 05	1972/ 02	1956/ 09	1961/ 15	1965/ 31	1971/ 29	1944/ 31	1999/ 19	1993/ 29

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)	80.5	63.8	83.2	112.2	100.9	96.9	88.5	100.2	118.7	142.2	144.0	111.2	1242.4	A
Snowfall (cm)	74.3	65.3	48.1	21.4	2.3	0.0	0.0	0.0	0.0	0.6	12.4	58.5	283.0	A
Precipitation (mm)	152.5	128.1	130.0	133.3	103.2	96.9	88.5	100.2	118.7	142.9	156.0	167.0	1517.2	A
Average Snow Depth (cm)	13	19	13	2	0	0	0	0	0	0	0	5	4	A
Median Snow Depth (cm)	11	18	11	1	0	0	0	0	0	0	0	3	4	A
Snow Depth at Month-end (cm)	17	21	5	0	0	0	0	0	0	0	1	14	5	A
Extreme Daily Rainfall (mm)	66.2	62.2	73.0	73.4	93.5	84.0	68.2	128.8	90.9	96.2	97.3	94.0
Date (yyyy/dd)	2008/ 28	1996/ 17	1992/ 08	1982/ 29	1967/ 26	1998/ 17	1998/ 09	1981/ 17	1947/ 30	1992/ 19	1944/ 05	1979/ 26
Extreme Daily Snowfall (cm)	44.5	45.2	43.2	29.2	24.9	1.0	0.0	0.0	0.0	15.7	27.4	58.7
Date (yyyy/dd)	1965/ 25	1959/ 15	1993/ 18	1965/ 03	1972/ 10	1975/ 09	1941/ 01	1941/ 01	1941/ 01	1972/ 19	1989/ 23	1964/ 21
Extreme Daily Precipitation (mm)	75.2	62.2	73.0	73.4	93.5	84.0	68.2	128.8	90.9	96.4	97.3	95.0
Date (yyyy/dd)	2008/ 28	1996/ 17	1992/ 08	1982/ 29	1967/ 26	1998/ 17	1998/ 09	1981/ 17	1947/ 30	1992/ 19	1944/ 05	1979/ 26
Extreme Snow Depth (cm)	92	123	114	76	23	0	0	0	0	8	31	78
Date (yyyy/dd)	1988/ 10	1992/ 09	1967/ 26	1967/ 01	1972/ 11	1955/ 01	1955/ 01	1955/ 01	1955/ 01	1965/ 30	1989/ 24	1993/ 31

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	18.2	17.2	11.3	1.6	0.0	0.0	0.0	0.0	0.0	0.0	1.2	10.5	60.0	A
> 0 °C	12.8	11.0	19.7	28.4	31.0	30.0	31.0	31.0	30.0	31.0	28.8	20.5	305.2	A
> 10 °C	1.1	0.31	1.3	6.8	20.6	28.6	31.0	31.0	29.8	21.8	8.2	2.1	182.5	A
> 20 °C	0.0	0.0	0.0	0.23	3.7	11.6	24.2	23.4	10.3	1.5	0.04	0.0	74.9	A
> 30 °C	0.0	0.0	0.0	0.0	0.0	0.10	1.0	1.1	0.14	0.0	0.0	0.0	2.3	A
> 35 °C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.03	0.0	0.0	0.0	0.0	0.03	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	1.1	0.62	1.5	8.9	24.7	29.7	31.0	31.0	29.9	27.2	13.9	4.8	204.4	A
<= 2 °C	30.7	28.0	30.6	27.1	13.5	1.3	0.0	0.0	0.59	9.2	20.5	28.8	190.3	A
<= 0 °C	29.9	27.6	29.5	21.1	6.3	0.27	0.0	0.0	0.10	3.8	16.1	26.2	160.8	A
< -2 °C	27.6	25.4	24.5	11.7	1.5	0.0	0.0	0.0	0.0	0.97	8.8	21.9	122.3	A
< -10 °C	14.9	14.6	7.8	0.23	0.0	0.0	0.0	0.0	0.0	0.0	0.15	5.6	43.2	A
< -20 °C	0.90	1.6	0.24	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.04	2.7	A
< - 30 °C	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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	8.4	7.3	9.5	13.0	14.1	14.0	11.7	12.7	13.5	15.8	15.4	11.5	146.9	A
>= 5 mm	4.0	3.3	4.6	5.7	5.7	5.3	5.4	4.7	5.7	6.8	7.3	5.2	63.7	A
>= 10 mm	2.9	2.2	2.9	3.8	3.9	3.0	3.0	2.9	3.6	4.7	4.8	4.0	41.7	A
>= 25 mm	0.93	0.55	0.76	1.2	0.79	0.93	0.73	1.1	1.3	1.8	1.5	1.2	12.8	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	16.6	12.6	11.0	5.6	0.83	0.0	0.0	0.0	0.0	0.62	5.4	14.2	66.8	A
>= 5 cm	4.9	3.6	3.2	1.3	0.14	0.0	0.0	0.0	0.0	0.0	0.70	3.9	17.7	A
>= 10 cm	2.3	2.1	1.4	0.67	0.10	0.0	0.0	0.0	0.0	0.0	0.15	1.6	8.3	A
>= 25 cm	0.24	0.38	0.14	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.04	0.25	1.1	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	20.6	16.5	16.6	15.8	14.5	14.0	11.7	12.7	13.5	15.9	18.1	21.0	191.0	A
>= 5 mm	8.4	6.7	7.3	6.9	5.8	5.3	5.4	4.7	5.7	6.9	7.8	8.7	79.7	A
>= 10 mm	5.5	4.5	4.8	4.6	3.9	3.0	3.0	2.9	3.6	4.7	5.0	5.8	51.3	A
>= 25 mm	1.4	1.2	1.1	1.4	0.86	0.93	0.73	1.1	1.3	1.8	1.6	1.6	15.1	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	24.9	24.0	23.0	7.1	0.21	0.0	0.0	0.0	0.0	0.03	2.4	14.0	95.6	A
>= 5 cm	19.8	18.3	16.9	3.5	0.03	0.0	0.0	0.0	0.0	0.0	0.74	8.9	68.2	A
>= 10 cm	15.1	14.9	11.8	2.0	0.0	0.0	0.0	0.0	0.0	0.0	0.26	6.2	50.4	A
>= 20 cm	7.4	9.3	7.5	0.47	0.0	0.0	0.0	0.0	0.0	0.0	0.22	2.6	27.5	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)	19.8	19.7	19.6	18.7	16.8	15.6	14.7	14.2	15.4	17.0	18.2	19.8	17.5	A
Most Frequent Direction	W	W	W	N	SW	SW	SW	SW	SW	SW	W	W	SW	A
Maximum Hourly Speed (km/h)	89	89	97	80	80	76	72	61	89	97	85	97
Date (yyyy/dd)	1954/ 04	1953/ 09	1955/ 27	1956/ 24	1954/ 17	1973/ 17	1955/ 23	1957/ 28	1958/ 29	1956/ 07	1956/ 22	1956/ 30
Direction of Maximum Hourly Speed	E	S	E	S	SE	NE	S	W	NW	SE	S	S
Maximum Gust Speed (km/h)	121	124	129	115	109	114	87	89	129	138	129	161
Date (yyyy/dd)	1960/ 03	1976/ 03	1959/ 13	1986/ 10	1961/ 23	1973/ 17	1975/ 28	1963/ 14	1958/ 29	1974/ 20	1959/ 25	1964/ 01
Direction of Maximum Gust	S	SW	SE	S	E	N	S	S	N	S	S	S
Days with Winds >= 52 km/h	2.9	1.8	1.7	1.0	0.3	0.2	0.0	0.1	0.3	0.7	1.9	3.3	14.3	C
Days with Winds >= 63 km/h	1.3	0.2	0.5	0.1	0.0	0.0	0.0	0.0	0.1	0.2	0.5	0.8	3.9	C

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	0.6	0.6	0.1	0	0	0	1.2	A
Above 18 °C	0	0	0	0	0.1	6.9	39.2	38.3	7.2	0.2	0	0	91.9	A
Above 15 °C	0	0	0	0	2.3	25.3	99.9	101.6	28.3	2.2	0.2	0	259.9	A
Above 10 °C	0.1	0	0.1	1.4	24.9	106.8	245.4	248.9	124.3	25.9	4	0	781.7	A
Above 5 °C	1.2	0.5	1.8	15.4	101.7	245.7	400.3	403.9	268.6	114.9	34.4	5	1593.4	A
Above 0 °C	12.6	8.9	22.6	87.4	245	395.7	555.3	558.9	418.6	262.5	123	37.3	2727.7	A
Below 0 °C	179.6	175.3	103.8	11.8	0.1	0	0	0	0	0	8.9	83.5	562.8	A
Below 5 °C	323.1	308	237.9	89.8	11.8	0.1	0	0	0	7.4	70.3	206.2	1254.5	A
Below 10 °C	477	448.5	391.2	225.8	90	11.1	0.1	0	5.7	73.3	189.9	356.2	2268.8	A
Below 15 °C	632	589.5	546.1	374.4	222.4	79.7	9.6	7.6	59.7	204.7	336.1	511.2	3573.1	A
Below 18 °C	725	674.1	639.1	464.4	313.2	151.3	41.9	37.4	128.6	295.7	425.9	604.2	4500.7	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	91.0	111.6	132.9	141.0	198.0	224.6	246.9	228.4	167.1	130.1	77.0	68.2	1816.7	D
Days with measurable	21.4	20.6	22.6	21.1	24.5	26.7	28.4	28.3	26.5	26.1	21.5	18.9	286.5	D
% of possible daylight hours	32.4	38.3	36.1	34.7	42.7	47.7	51.8	52.0	44.3	38.3	27.1	25.3	39.2	D
Extreme Daily	9.0	10.5	11.2	13.7	15.0	15.4	15.3	14.5	12.8	11.1	9.3	8.3
Date (yyyy/dd)	1961/ 29	1964/ 28	1973/ 25	1961/ 29	1960/ 29	1957/ 18	1958/ 06	1961/ 01	1990/ 01	1994/ 07	1977/ 02	1964/ 15

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	18.2	19.0	19.3	26.0	36.8	43.4	41.8	41.9	38.9	30.4	25.5	18.5
Date (yyyy/dd)	2006/ 15	2000/ 28	2000/ 29	1977/ 22	1960/ 31	1969/ 28	1975/ 19	2001/ 10	1969/ 01	1961/ 04	1961/ 05	2008/ 13
Days with Humidex >= 30	0.0	0.0	0.0	0.0	0.1	2.3	8.3	7.8	1.9	0.0	0.0	0.0	20.3	A
Days with Humidex >= 35	0.0	0.0	0.0	0.0	0.0	0.2	1.9	1.5	0.2	0.0	0.0	0.0	3.8	A
Days with Humidex >= 40	0.0	0.0	0.0	0.0	0.0	0.0	0.1	0.1	0.0	0.0	0.0	0.0	0.2	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)	-43	-41	-34	-21	-11	-6	0	0	-5	-11	-19	-31
Date (yyyy/dd)	1982/ 18	1967/ 13	1992/ 01	1995/ 05	1956/ 09	1956/ 09	1953/ 01	1953/ 01	1971/ 29	1975/ 31	1957/ 26	1993/ 29
Days with Wind Chill < -20	9.0	9.3	4.3	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.0	1.9	24.5	A
Days with Wind Chill < -30	0.9	1.2	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	2.3	A
Days with Wind Chill < -40	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	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)	0.4	0.4	0.4	0.6	0.8	1.2	1.6	1.6	1.3	0.9	0.7	0.5	0.9	A
Average Relative Humidity - 0600LST (%)	81	81.3	83.7	86.1	85.4	86.6	88.6	89.4	90.1	87.5	84.3	83.6	85.6	A
Average Relative Humidity - 1500LST (%)	72.5	70.2	69.8	69.7	65	64.9	65.2	65.2	67.6	70	74.2	75.9	69.2	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)	100.3	100.4	100.5	100.6	100.7	100.6	100.6	100.7	100.8	100.8	100.7	100.4	100.6	A
Average Sea Level Pressure (kPa)	101.1	101.2	101.3	101.3	101.5	101.3	101.4	101.5	101.6	101.5	101.4	101.1	101.4	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	23.5	26.1	40.9	56.6	54.7	40.4	26.2	14.5	9.1	11.4	17.8	25.6	346.7	C
1 to 9 km	125.5	116.5	130.3	141.3	117.5	103.6	107.6	90.3	80.4	78.5	88.4	123.4	1303.4	C
> 9 km	595	534.1	572.8	522	571.8	576	610.3	639.2	630.4	654.2	613.9	595	7114.5	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	106.2	128.2	162.6	143.4	153.8	132.6	133.8	154.4	166.9	128.5	72.6	75.8	1558.8	C
3 to 7 tenths	150.5	139.1	129.5	117.3	137.7	161	198.7	210	178.8	175.7	143.1	140.2	1881.7	C
8 to 10 tenths	487.3	409.4	451.8	459.3	452.5	426.4	411.5	379.6	374.3	439.8	504.3	528	5324.1	C

Frost-Free

1981 to 2010 Canadian Climate Normals station data
Frost-Free
	Date/Days	Code
Average Date of Last Spring Frost	May 21	C
Average Date of First Fall Frost	Oct 17	C
Average Length of Frost-Free Period	149 Days	C

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 07	May 28	May 27	May 24	May 18	May 14	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	Oct 04	Oct 08	Oct 10	Oct 16	Oct 19	Oct 22	Oct 29
Probability of frost-free period equal to or less than indicated period (Days)	10%	25%	33%	50%	66%	75%	90%
Days	127	136	139	145	152	157	166

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.

SYDNEY A

Province/Territory

Latitude (dd mm):

46 10 N

Country

CAN

Longitude (ddd mm):

60 03 W

Time Zone

AST

Latitude (decimal degrees):

46.17 N

Climate ID:

8205700

Longitude (decimal degrees):

60.05 W

WMO ID:

71707

Elevation (m):

61.9

TC ID:

YQY

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	1	10710	100
Standard Deviation	1981	2010	30	1	10710	100
Daily Maximum (°C)	1981	2010	30	1	10710	100
Daily Minimum (°C)	1981	2010	30	1	10710	100
Extreme Maximum (°C)	1941	2010			25224	100
Extreme Minimum (°C)	1941	2010			25198	99.9

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	1	10622	99.1
Snowfall (cm)	1981	2010	30	1	10622	99.1
Precipitation (mm)	1981	2010	30	1	10622	99.1
Average Snow Depth (cm)	1981	2010	30	1	10706	99.9
Median Snow Depth (cm)	1981	2010	30	1	10706	99.9
Snow Depth at Month-end (cm)	1981	2010	30	1	351	99.7
Extreme Daily Rainfall (mm)	1941	2010			25230	100
Extreme Daily Snowfall (cm)	1941	2010			25230	100
Extreme Daily Precipitation (mm)	1941	2010			25230	100
Extreme Snow Depth (cm)	1955	2010			20203	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	1	10622	99.1
> 0 °C	1981	2010	30	1	10622	99.1
> 10 °C	1981	2010	30	1	10622	99.1
> 20 °C	1981	2010	30	1	10622	99.1
> 30 °C	1981	2010	30	1	10622	99.1
> 35 °C	1981	2010	30	1	10622	99.1

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	1	10622	99.1
<= 2 °C	1981	2010	30	1	10622	99.1
<= 0 °C	1981	2010	30	1	10622	99.1
< -2 °C	1981	2010	30	1	10622	99.1
< -10 °C	1981	2010	30	1	10622	99.1
< -20 °C	1981	2010	30	1	10622	99.1
< - 30 °C	1981	2010	30	1	10622	99.1

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	1	10622	99.1
>= 5 mm	1981	2010	30	1	10622	99.1
>= 10 mm	1981	2010	30	1	10622	99.1
>= 25 mm	1981	2010	30	1	10622	99.1

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	1	10622	99.1
>= 5 cm	1981	2010	30	1	10622	99.1
>= 10 cm	1981	2010	30	1	10622	99.1
>= 25 cm	1981	2010	30	1	10622	99.1

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	1	10622	99.1
>= 5 mm	1981	2010	30	1	10622	99.1
>= 10 mm	1981	2010	30	1	10622	99.1
>= 25 mm	1981	2010	30	1	10622	99.1

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	1	10529	98.3
>= 5 cm	1981	2010	30	1	10529	98.3
>= 10 cm	1981	2010	30	1	10529	98.3
>= 20 cm	1981	2010	30	1	10529	98.3

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	262859	100
Most Frequent Direction	1981	2010	30	0	262857	100
Maximum Hourly Speed (km/h)	1953	2010			508301	100
Maximum Gust Speed (km/h)	1955	2010			18014	99.5
Days with Winds >= 52 km/h	1981	2010	27	4	9378	96.3
Days with Winds >= 63 km/h	1981	2010	27	4	9378	96.3

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	1	10622	99.1
Above 18 °C	1981	2010	30	1	10622	99.1
Above 15 °C	1981	2010	30	1	10622	99.1
Above 10 °C	1981	2010	30	1	10622	99.1
Above 5 °C	1981	2010	30	1	10622	99.1
Above 0 °C	1981	2010	30	1	10622	99.1
Below 0 °C	1981	2010	30	1	10622	99.1
Below 5 °C	1981	2010	30	1	10622	99.1
Below 10 °C	1981	2010	30	1	10622	99.1
Below 15 °C	1981	2010	30	1	10622	99.1
Below 18 °C	1981	2010	30	1	10622	99.1

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	1996	16	0	135840	99.5
Days with measurable	1981	1996	16	0	135840	99.5
% of possible daylight hours	1981	1996	16	0	135840	99.5
Extreme Daily	1951	1996			389936	99.6

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			508264	100
Days with Humidex >= 30	1981	2010	30	0	262840	100
Days with Humidex >= 35	1981	2010	30	0	262840	100
Days with Humidex >= 40	1981	2010	30	0	262840	100

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			508291	100
Days with Wind Chill < -20	1981	2010	30	0	262849	100
Days with Wind Chill < -30	1981	2010	30	0	262849	100
Days with Wind Chill < -40	1981	2010	30	0	262849	100

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	262840	100
Average Relative Humidity - 0600LST (%)	1981	2010	30	0	10955	100
Average Relative Humidity - 1500LST (%)	1981	2010	30	0	10951	100

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	262856	100
Average Sea Level Pressure (kPa)	1981	2010	30	0	262838	100

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	28	5	228552	86.9
1 to 9 km	1981	2010	28	5	228552	86.9
> 9 km	1981	2010	28	5	228552	86.9

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	28	5	228552	86.9
3 to 7 tenths	1981	2010	28	5	228552	86.9
8 to 10 tenths	1981	2010	28	5	228552	86.9

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	2008	24	3	24	85.7
Average Date of First Fall Frost	1981	2008	24	3	24	85.7
Average Length of Frost-Free Period	1981	2008	24	3	24	85.7
Probability of last temperature in spring <= 0°C, on or after (Date)
10 %	1942	2008	66	4	62	92.5
25 %	1942	2008	66	4	62	92.5
33 %	1942	2008	66	4	62	92.5
50 %	1942	2008	66	4	62	92.5
66 %	1942	2008	66	4	62	92.5
75 %	1942	2008	66	4	62	92.5
90 %	1942	2008	66	4	62	92.5
Probability of first temperature in fall <= 0°C, on or before (Date)
10 %	1942	2008	66	4	62	92.5
25 %	1942	2008	66	4	62	92.5
33 %	1942	2008	66	4	62	92.5
50 %	1942	2008	66	4	62	92.5
66 %	1942	2008	66	4	62	92.5
75 %	1942	2008	66	4	62	92.5
90 %	1942	2008	66	4	62	92.5
Probability of frost-free period equal to or less than indicated period (Days)
10 %	1942	2008	66	4	62	92.5
25 %	1942	2008	66	4	62	92.5
33 %	1942	2008	66	4	62	92.5
50 %	1942	2008	66	4	62	92.5
66 %	1942	2008	66	4	62	92.5
75 %	1942	2008	66	4	62	92.5
90 %	1942	2008	66	4	62	92.5

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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
SYDNEY A

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate NormalsSYDNEY A

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