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
OLD CROW 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.

OLD CROW A
YUKON TERRITORY

67°34'14.000" N

139°50'21.000" W

250.20 m

2100800

YOC

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)	-29.2	-26.5	-21.2	-10.1	2.7	12.9	14.6	10.9	3.5	-8.8	-22.9	-25.1	-8.3	C
Standard Deviation	4.4	4.3	2.8	3.6	2.9	1.3	1.5	1.8	2.4	2.9	2.8	4.2	5.3	C
Daily Maximum (°C)	-25.2	-21.7	-14.8	-3.7	8.4	19.1	20.2	16.2	7.9	-5.3	-19.0	-20.7	-3.2	C
Daily Minimum (°C)	-33.5	-31.1	-27.6	-16.5	-3.0	6.6	8.9	5.4	-0.9	-12.2	-27.1	-29.6	-13.4	C
Extreme Maximum (°C)	2.5	3.0	6.7	13.5	26.0	32.0	31.0	32.8	23.9	17.5	6.1	1.7
Date (yyyy/dd)	1991/ 25	1996/ 29	1954/ 21	1987/ 30+	1998/ 27+	1992/ 30	1990/ 06+	1976/ 30	1974/ 01	1988/ 04	1970/ 01	1973/ 30
Extreme Minimum (°C)	-59.4	-54.4	-48.3	-39.5	-28.0	-8.3	-2.5	-9.5	-22.5	-38.0	-47.0	-56.7
Date (yyyy/dd)	1975/ 05	1955/ 21	1971/ 03	1986/ 01+	1992/ 05	1969/ 01	1977/ 01	1996/ 27	1983/ 26	1996/ 28	1986/ 28	1975/ 12

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)	0.0	0.1	0.0	0.7	8.3	34.5	43.5	45.8	20.0	2.0	0.0	0.0	154.8	C
Snowfall (cm)	15.5	16.4	16.6	9.7	6.6	2.8	0.0	1.0	9.3	23.0	21.6	18.9	141.4	C
Precipitation (mm)	13.1	13.8	14.4	9.5	14.4	37.2	43.5	46.7	29.0	22.1	18.1	16.7	278.6	C
Snow Depth at Month-end (cm)	35	39	35	10	0	0	0	0	1	10	22	31	15	D
Extreme Daily Rainfall (mm)	0.4	1.2	0.0	4.0	19.2	58.4	30.5	21.6	22.9	7.2	0.0	2.5
Date (yyyy/dd)	1981/ 15	1996/ 29	1952/ 01+	2004/ 27	1988/ 30	1956/ 21	1955/ 08	1976/ 12	1952/ 21	1986/ 10	1951/ 01+	1976/ 30
Extreme Daily Snowfall (cm)	11.2	11.4	21.0	15.0	17.0	9.9	0.4	8.8	25.4	22.9	19.1	16.3
Date (yyyy/dd)	2001/ 03	1997/ 25	1980/ 05	1952/ 28	1987/ 02	1974/ 03	2001/ 06	2005/ 31	1976/ 28	1954/ 17	1974/ 08	1955/ 31
Extreme Daily Precipitation (mm)	8.1	9.1	21.0	15.0	30.2	58.4	30.5	21.6	25.4	22.9	14.7	16.3
Date (yyyy/dd)	1969/ 27	1997/ 25	1980/ 05	1952/ 28	1988/ 30	1956/ 21	1955/ 08	1976/ 12	1976/ 28	1954/ 17	1974/ 03	1955/ 31
Extreme Snow Depth (cm)	63	70	75	69	30	4	0	2	8	33	47	59
Date (yyyy/dd)	2005/ 26+	2005/ 28	1987/ 02+	1988/ 11	2000/ 01	2005/ 01	1981/ 01+	1996/ 27	1996/ 26+	1999/ 25+	2004/ 29+	2004/ 27+

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	30.8	28.0	30.1	18.7	4.4	0.0	0.0	0.0	3.3	25.0	29.8	30.9	201.1	D
> 0 °C	0.20	0.21	0.90	11.3	26.6	30.0	31.0	31.0	26.7	6.0	0.17	0.07	164.2	D
> 10 °C	0.0	0.0	0.0	1.0	13.1	28.2	29.7	27.3	10.5	0.33	0.0	0.0	110.1	D
> 20 °C	0.0	0.0	0.0	0.0	1.5	13.7	17.4	7.1	0.36	0.0	0.0	0.0	40.1	D
> 30 °C	0.0	0.0	0.0	0.0	0.0	0.11	0.14	0.14	0.0	0.0	0.0	0.0	0.39	D
> 35 °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	D

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	0.0	0.0	0.0	0.40	10.3	27.5	30.4	27.1	12.3	0.50	0.0	0.0	108.5	C
<= 2 °C	31.0	28.2	31.0	30.0	24.9	4.4	1.5	6.9	22.9	30.9	30.0	31.0	272.5	C
<= 0 °C	31.0	28.2	31.0	29.6	20.7	2.3	0.35	3.7	17.7	30.5	30.0	31.0	255.9	C
< -2 °C	31.0	28.2	31.0	28.6	14.6	0.76	0.0	1.1	10.7	28.8	30.0	31.0	235.7	C
< -10 °C	30.7	27.8	30.5	22.4	4.0	0.0	0.0	0.0	0.95	17.1	29.3	30.9	193.7	C
< -20 °C	28.2	24.8	25.2	9.7	0.30	0.0	0.0	0.0	0.0	4.5	23.1	26.5	142.2	C
< - 30 °C	18.7	15.3	11.1	1.6	0.0	0.0	0.0	0.0	0.0	0.50	11.0	14.2	72.3	C

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	0.04	0.04	0.0	0.60	3.6	10.5	13.6	14.3	9.3	0.96	0.0	0.04	53.0	C
>= 5 mm	0.0	0.0	0.0	0.0	0.29	2.0	3.0	3.1	1.2	0.04	0.0	0.0	9.7	C
>= 10 mm	0.0	0.0	0.0	0.0	0.17	0.80	1.0	0.81	0.13	0.0	0.0	0.0	3.0	C
>= 25 mm	0.0	0.0	0.0	0.0	0.0	0.04	0.0	0.04	0.0	0.0	0.0	0.0	0.08	C

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	10.0	9.9	9.5	6.2	3.1	0.76	0.04	0.42	3.9	13.2	12.6	11.8	81.5	C
>= 5 cm	0.42	0.64	0.72	0.36	0.33	0.28	0.0	0.08	0.38	0.80	0.96	0.84	5.8	C
>= 10 cm	0.04	0.04	0.12	0.04	0.13	0.0	0.0	0.0	0.04	0.04	0.13	0.08	0.66	C
>= 25 cm	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	C

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	9.2	9.6	9.4	6.6	6.3	10.8	13.6	14.4	12.6	13.6	11.9	11.4	129.3	C
>= 5 mm	0.27	0.36	0.60	0.28	0.63	2.3	3.0	3.2	1.6	0.80	0.67	0.64	14.3	C
>= 10 mm	0.0	0.0	0.04	0.04	0.25	0.88	1.0	0.88	0.21	0.04	0.08	0.0	3.5	C
>= 25 mm	0.0	0.0	0.0	0.0	0.04	0.04	0.0	0.04	0.0	0.0	0.0	0.0	0.12	C

Wind

1981 to 2010 Canadian Climate Normals station data
Wind
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year	Code
Maximum Hourly Speed (km/h)	74	56	65	59	48	56	46	65	50	56	63	61
Date (yyyy/dd)	1993/ 14	1989/ 03+	1989/ 02	2006/ 13	2000/ 13+	1992/ 06	1985/ 02+	1994/ 18	1990/ 06	1997/ 26	2006/ 15	2004/ 26
Direction of Maximum Hourly Speed	W	SW	NE	NE	NE	NE	S	SW	W	N	NE	W

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	0	0	0	0	0	0	D
Above 18 °C	0	0	0	0	0	6.3	9.1	2.4	0	0	0	0	17.8	D
Above 15 °C	0	0	0	0	0.8	26.1	41.1	12	0	0	0	0	80	D
Above 10 °C	0	0	0	0	11.1	110.9	153.3	71.2	3.1	0	0	0	349.6	D
Above 5 °C	0	0	0	0.2	53.8	241.9	299.1	193.7	37.2	0.4	0	0	826.1	D
Above 0 °C	0	0	0.1	10.7	139.9	388.7	453.9	343.3	129.2	4.9	0	0	1470.5	D
Below 0 °C	922.2	730.1	648.6	295.9	47.7	0.1	0	0.3	19.4	281.6	670.6	778.6	4,395	D
Below 5 °C	1077.2	871.2	803.5	435.4	116.5	3.3	0.2	5.6	77.4	432.1	820.6	933.6	5576.8	D
Below 10 °C	1232.2	1012.3	958.5	585.2	228.8	22.3	9.5	38.2	193.4	586.8	970.6	1088.6	6926.4	D
Below 15 °C	1387.2	1153.4	1113.5	735.2	373.5	87.6	52.3	134	340.3	741.8	1120.6	1243.6	8482.8	D
Below 18 °C	1480.2	1238.1	1206.5	825.2	465.8	157.7	113.3	217.4	430.3	834.8	1210.6	1336.6	9516.3	D

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	1.6	1.5	4.8	14.3	27.5	33.5	32.5	38.4	23.0	15.7	0.4	0.5
Date (yyyy/dd)	1991/ 26	1996/ 29	1990/ 30	2010/ 27	2010/ 28	1992/ 30	2009/ 29	1976/ 03	1995/ 22	2003/ 02	1993/ 12	1985/ 24

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)	-60	-56	-53	-45	-31	-12	0	-11	-20	-44	-53	-57
Date (yyyy/dd)	1989/ 28	1985/ 17	1995/ 11	1988/ 03	1992/ 04	1992/ 06	1976/ 01+	1996/ 26	1975/ 27	1996/ 27	1990/ 28	1990/ 05

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
+ = Most recent occurrence of the extreme value

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.

OLD CROW A

Province/Territory

Latitude (dd mm):

67 34 N

Country

CAN

Longitude (ddd mm):

139 50 W

Time Zone

PST

Latitude (decimal degrees):

67.57 N

Climate ID:

2100800

Longitude (decimal degrees):

139.84 W

WMO ID:

Elevation (m):

250.24

TC ID:

YOC

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	2007	24	2	8209	89.1
Standard Deviation	1981	2007	24	2	8209	89.1
Daily Maximum (°C)	1981	2007	24	2	8262	89.7
Daily Minimum (°C)	1981	2007	24	2	8281	89.6
Extreme Maximum (°C)	1951	2007			13780	96.8
Extreme Minimum (°C)	1951	2007			14044	98

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	2007	26	1	9133	98.7
Snowfall (cm)	1981	2007	26	1	9133	98.7
Precipitation (mm)	1981	2007	26	1	9133	98.7
Snow Depth at Month-end (cm)	1981	2007	26	5	241	92.5
Extreme Daily Rainfall (mm)	1951	2007			13770	99.2
Extreme Daily Snowfall (cm)	1951	2007			13747	99.1
Extreme Daily Precipitation (mm)	1951	2007			13715	99
Extreme Snow Depth (cm)	1980	2007			7251	90.7

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	2007	22	5	7091	77.1
> 0 °C	1981	2007	22	5	7091	77.1
> 10 °C	1981	2007	22	5	7091	77.1
> 20 °C	1981	2007	22	5	7091	77.1
> 30 °C	1981	2007	22	5	7091	77.1
> 35 °C	1981	2007	22	5	7091	77.1

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	2007	23	5	7697	83.2
<= 2 °C	1981	2007	23	5	7697	83.2
<= 0 °C	1981	2007	23	5	7697	83.2
< -2 °C	1981	2007	23	5	7697	83.2
< -10 °C	1981	2007	23	5	7697	83.2
< -20 °C	1981	2007	23	5	7697	83.2
< - 30 °C	1981	2007	23	5	7697	83.2

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	2007	27	1	9223	99.7
>= 5 mm	1981	2007	27	1	9223	99.7
>= 10 mm	1981	2007	27	1	9223	99.7
>= 25 mm	1981	2007	27	1	9223	99.7

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	2007	26	1	9133	98.7
>= 5 cm	1981	2007	26	1	9133	98.7
>= 10 cm	1981	2007	26	1	9133	98.7
>= 25 cm	1981	2007	26	1	9133	98.7

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	2007	26	1	9133	98.7
>= 5 mm	1981	2007	26	1	9133	98.7
>= 10 mm	1981	2007	26	1	9133	98.7
>= 25 mm	1981	2007	26	1	9133	98.7

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
Maximum Hourly Speed (km/h)	1974	2010			127717	53.3

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	2007	21	5	6759	73.4
Above 18 °C	1981	2007	21	5	6759	73.4
Above 15 °C	1981	2007	21	5	6759	73.4
Above 10 °C	1981	2007	21	5	6759	73.4
Above 5 °C	1981	2007	21	5	6759	73.4
Above 0 °C	1981	2007	21	5	6759	73.4
Below 0 °C	1981	2007	21	5	6759	73.4
Below 5 °C	1981	2007	21	5	6759	73.4
Below 10 °C	1981	2007	21	5	6759	73.4
Below 15 °C	1981	2007	21	5	6759	73.4
Below 18 °C	1981	2007	21	5	6759	73.4

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	1975	2010			111075	48.5

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)	1975	2010			117658	51.5

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	1990	2004	9	3	9	60.0
Average Date of First Fall Frost	1990	2004	9	3	9	60.0
Average Length of Frost-Free Period	1990	2004	9	3	9	60.0

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Canadian Climate Normals 1981-2010 Station Data

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

Legend

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Canadian Climate Normals 1981-2010 Station Data

Temperature and Precipitation Graph for 1981 to 2010 Canadian Climate NormalsOLD CROW A

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