Canadian Climate Normals 1971-2000
WHITEHORSE A *
YUKON TERRITORY
Latitude:	60°42'34.200" N
Longitude:	135°04'07.800" W
Elevation:	706.20 m
Climate ID:	2101300	WMO ID:	71964	TC ID:	YXY
Temperature:	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Daily Average (°C)	-17.7	-13.7	-6.6	0.9	6.9	11.8	14.1	12.5	7.1	0.6	-9.4	-14.9	-0.7
Standard Deviation	7.3	5.8	3.2	2.3	1.3	1.1	1,00	1.5	1.5	1.9	5,00	5.8	1.6
Daily Maximum (°C)	-13.3	-8.6	-0.8	6.4	13.1	18.5	20.5	18.5	12.2	4.3	-5.8	-10.6	4.5
Daily Minimum (°C)	-22,00	-18.7	-12.3	-4.6	0.7	5.1	7.7	6.3	2,00	-3.1	-13,00	-19.1	-5.9
Extreme Maximum (°C)	9,00	11.7	11.7	20.6	34.1	34.4	32.8	31.6	26.7	18.9	11.7	9.5
Date (yyyy/dd)	1977/26	1968/27	1979/22	1958/27	1983/30	1969/14	1951/09	1999/05	1942/03	1958/01	1970/02	1986/10
Extreme Minimum (°C)	-52.2	-51.2	-40.6	-29.4	-11.7	-2.8	-0.5	-4.4	-19.4	-31.1	-40.6	-47.8
Date (yyyy/dd)	1947/31	1968/02	1972/08	1986/10	1964/10	1971/03	1984/19	1948/25	1983/27	1982/28	1948/27	1942/19
Precipitation:
Rainfall (mm)	0.2	0.1	0,0	1.3	13,0	29.7	41.4	38.5	29.3	8.8	0.7	0.3	163.1
Snowfall (cm)	23.7	16.8	14.9	8,0	2.4	0.5	0,0	1,0	5.1	18.9	27.3	26.4	145,0
Precipitation (mm)	16.7	11.4	10.4	7,0	15.2	30.3	41.4	39.4	34.1	23.8	19.2	18.5	267.4
Average Snow Depth (cm)	28,0	33,0	31,0	13,0	0,0	0,0	0,0	0,0	0,0	1,0	10,0	20,0	11,0
Median Snow Depth (cm)	28,0	33,0	31,0	12,0	0,0	0,0	0,0	0,0	0,0	0,0	11,0	19,0	11,0
Snow Depth at Month-end (cm)	31,0	32,0	25,0	2,0	0,0	0,0	0,0	0,0	0,0	5,0	15,0	24,0	11,0
Extreme Daily Rainfall (mm)	3.4	0.8	0.8	4.4	12.6	44.9	23.2	30.7	24.6	18.3	9.4	4.2
Date (yyyy/dd)	1981/03	1984/04	1944/15	1983/30	2000/26	1985/27	1991/27	1948/01	1983/04	1970/02	1949/03	1981/18
Extreme Daily Snowfall (cm)	14,00	16.7	27.2	16.3	12.2	12.7	0,00	8.6	21.6	15,00	14.6	27,00
Date (yyyy/dd)	1968/03	1982/09	1967/08	1976/15	1942/04	1972/01	1942/01	1974/22	1956/27	1999/23	1978/23	1980/25
Extreme Daily Precipitation (mm)	9.5	10.4	10.4	14.2	12.6	44.9	23.2	30.7	25.2	23.6	11.4	18.7
Date (yyyy/dd)	1994/17	1952/28	1962/07	1952/04	2000/26	1985/27	1991/27	1948/01	1986/23	1970/02	1955/06	1980/25
Extreme Snow Depth (cm)	86	94	94	66	38	0	0	3	20	21	52	69
Date (yyyy/dd)	1972/30	1972/16	1972/01	1967/13	1972/01	1955/01	1955/01	1969/11	1956/28	1982/31	1978/25	1980/29
Days with Maximum Temperature:
<= 0 °C	26.4	22.5	14.2	2.1	0,0	0,0	0,0	0,0	0.29	5.3	23,0	26.5	120.4
> 0 °C	4.6	5.8	16.8	27.9	31,0	30,0	31,0	31,0	29.7	25.7	7,0	4.5	244.9
> 10 °C	0,0	0.04	0.07	5.4	23.9	29.7	31,0	30.2	22,0	3.4	0,0	0,0	145.7
> 20 °C	0,0	0,0	0,0	0.04	1.2	10.1	16.3	10.4	1,0	0,0	0,0	0,0	39.1
> 30 °C	0,0	0,0	0,0	0,0	0.04	0.07	0.21	0.21	0,0	0,0	0,0	0,0	0.53
> 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
Days with Minimum Temperature:
> 0 °C	0.11	0.22	0.48	3.7	16.7	28.1	30.9	29.3	20,0	9.4	0.75	0.57	140.3
<= 2 °C	31,0	28.1	31,0	29,0	21.3	5.3	0.54	3.9	15,0	26.4	29.8	30.8	251.9
<= 0 °C	30.9	28,0	30.5	26.3	14.3	1.9	0.07	1.7	10,0	21.6	29.3	30.4	225,0
< -2 °C	30.2	27.4	28.6	19.7	6.2	0.14	0,0	0.21	5.1	15.1	27.6	29.8	190.2
< -10 °C	24.4	21.1	15.8	3.7	0,0	0,0	0,0	0,0	0.14	3.7	17.2	23.6	109.7
< -20 °C	16.8	12.3	6.3	0.48	0,0	0,0	0,0	0,0	0,0	0.50	6.4	13.7	56.4
< - 30 °C	9.1	4.9	1.3	0,0	0,0	0,0	0,0	0,0	0,0	0.04	1.5	5.5	22.3
Days With Rainfall:
>= 0.2 Mm	0.19	0.15	0.07	1.2	6.9	10.6	13.4	12.5	10.8	5.1	0.61	0.21	61.6
>= 5 mm	0,0	0,0	0,0	0,0	0.67	1.7	3,0	2.4	1.8	0.39	0,0	0,0	10,0
>= 10 mm	0,0	0,0	0,0	0,0	0.11	0.46	0.75	0.82	0.50	0.04	0,0	0,0	2.7
>= 25 mm	0,0	0,0	0,0	0,0	0,0	0.07	0,0	0.04	0,0	0,0	0,0	0,0	0.11
Days With Snowfall:
>= 0.2 cm	12,0	9.7	7.7	4.6	1.2	0.11	0,0	0.39	1.7	8.2	12.6	12.9	71.2
>= 5 cm	1.2	0.93	0.85	0.37	0.22	0.04	0,0	0.07	0.32	1.1	1.4	1.1	7.6
>= 10 cm	0.22	0.15	0.07	0.07	0,0	0.04	0,0	0,0	0.14	0.14	0.29	0.21	1.3
>= 25 cm	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0.04	0.04
Days with Precipitation:
>= 0.2 mm	11,0	8.6	7.2	5.1	7.4	10.6	13.4	12.6	11.8	11.5	11.3	11.7	122.2
>= 5 mm	0.63	0.30	0.41	0.22	0.93	1.8	3,0	2.4	2.1	1.1	0.64	0.61	14.2
>= 10 mm	0,0	0,0	0,0	0,0	0.19	0.50	0.75	0.89	0.68	0.18	0.07	0.07	3.3
>= 25 mm	0,0	0,0	0,0	0,0	0,0	0.07	0,0	0.04	0.04	0,0	0,0	0,0	0.15
Days with Snow Depth:
>= 1 cm	31,0	28.2	29.7	17.6	0.63	0,0	0,0	0.07	0.93	8.3	27,0	30.6	174,0
>= 5 cm	31,0	28.2	29.5	15.3	0.33	0,0	0,0	0,0	0.36	3.6	22.3	30.1	160.6
>= 10 cm	30.7	27.8	28.2	13,0	0.26	0,0	0,0	0,0	0.18	1.6	15.1	24.7	141.5
>= 20 cm	20.6	24,0	23.7	9.3	0.15	0,0	0,0	0,0	0.04	0.07	2.6	14.3	94.7
Wind:
Speed (km/h)	12.9	13.5	12.7	12.7	12.6	11.5	10.4	11.1	13,00	14.7	14.1	13.9	12.7
Most Frequent Direction	S	S	SE	SE	SE	SE	SE	SE	SE	SE	S	S	SE
Maximum Hourly Speed (km/h)	72	68	64	60	64	56	63	52	72	63	68	72
Date (yyyy/dd)	1962/09	1957/15	1953/14	1966/09	1965/06	1965/16	1959/30	1998/29	1967/17	1961/28	1962/18	1954/17
Direction of Maximum Hourly Speed	SE	SE	S	N	SE	SE	E	S	S	SE	SE	SE	SE
Maximum Gust Speed (km/h)	100	106	93	89	85	90	91	84	101	97	106	97
Date (yyyy/dd)	1965/17	1964/19	1965/10	1965/16	1965/02	1963/26	1982/07	1960/11	1967/18	1958/01	1962/18	1960/14
Direction of Maximum Gust	SE	SE	SW	N	SE	W	SE	SE	S	S	SE	SE	SE
Days with Winds >= 52 km/h	1.1	0.9	0.3	0.3	0.1	0,00	0.1	0.1	0.4	0.6	0.9	0.9	5.7
Days with Winds >= 63 km/h	0.1	0.2	0,00	0,00	0,00	0,00	0,00	0,00	0.1	0,00	0.1	0.1	0.8
Degree Days:
Above 24 °C	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00
Above 18 °C	0,00	0,00	0,00	0,00	0.3	1,00	3.2	3.3	0,00	0,00	0,00	0,00	7.7
Above 15 °C	0,00	0,00	0,00	0,00	1,00	7.9	20.8	14.7	0.4	0,00	0,00	0,00	44.9
Above 10 °C	0,00	0,00	0,00	0.2	9.6	69.1	128.4	89.6	12.6	0.4	0,00	0,00	309.8
Above 5 °C	0,00	0.1	0,00	8.4	71.9	205.1	282.2	231.8	84,00	11.1	0.2	0.1	894.9
Above 0 °C	1.7	2.6	8.9	65.8	213.7	355.1	437.2	386.1	217.1	72.1	5.3	3.1	1768.7
Below 0 °C	548.7	388.9	212.7	38.5	0.1	0,00	0,00	0,00	3,00	54.2	287.6	464.1	1997.7
Below 5 °C	702,00	527.7	358.8	131.1	13.2	0,00	0,00	0.7	19.9	148.2	432.5	616.1	2950.2
Below 10 °C	857,00	668.9	513.8	272.9	105.9	14,00	1.2	13.5	98.5	292.5	582.3	771,00	4191.4
Below 15 °C	1012,00	810.2	668.8	422.7	252.4	102.8	48.7	93.6	236.3	447.1	732.3	926,00	5752.8
Below 18 °C	1105,00	894.9	761.8	512.7	344.7	185.8	124,00	175.2	325.9	540.1	822.3	1019,00	6811.3
Bright Sunshine:
Total Hours	46.7	104.9	161.2	235.1	261.5	269.4	249.9	232,00	135.7	88.5	43.2	27,00	1855.1
Days with measureable	18.2	23.3	28.7	29.2	30.3	29.4	30,00	29.9	26.7	24.4	16.9	14.7	301.5
% of possible daylight hours	22.8	41.3	44.2	53.6	48.7	47.3	44.3	47.5	34.9	28.2	19.3	14.9	37.3
Extreme Daily	6.7	9.8	11.6	14.7	17.4	17.9	17.3	15.7	12.8	9.5	7.4	4.7
Date (yyyy/dd)	1989/31	1977/25	1978/29	1973/28	1975/31	1975/29	1974/08	1978/01	1974/02	1979/07	1979/01	1976/16
Humidex:
Extreme Humidex	8.3	11.1	11.7	21.6	33.6	33.3	31.5	31.9	25.2	18.3	11.1	8.8
Date (yyyy/dd)	1963/19	1968/27	1979/22	2002/30	1983/30	1969/14	1998/03	1994/08	1974/01	1958/01	1970/02	1999/23
Days with Humidex >= 30	0,00	0,00	0,00	0,00	0,00	0,00	0.2	0.3	0,00	0,00	0,00	0,00	0.5
Days with Humidex >= 35	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00
Days with Humidex >= 40	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00	0,00
Wind Chill:
Extreme Wind Chill	-61.3	-62.4	-47.5	-35,00	-18.6	-5.8	-2.2	-6.4	-19.2	-37.2	-48.3	-59.2
Date (yyyy/dd)	1965/04	1968/03	1955/03	1963/03	1964/09	1955/03	1963/19	1969/11	1983/27	1982/28	1989/14	1964/15
Days with Wind Chill < -20	21.4	16.1	10,0	1,0	0,0	0,0	0,0	0,0	0,0	1.3	10.8	19,0	79.7
Days with Wind Chill < -30	14,0	8.6	3,0	0.1	0,0	0,0	0,0	0,0	0,0	0.2	3.7	9.9	39.5
Days with Wind Chill < -40	7.5	3.1	0.5	0,0	0,0	0,0	0,0	0,0	0,0	0,0	0.7	3.8	15.6
Humidity:
Average Vapour Pressure (kPa)	0.2	0.2	0.3	0.4	0.5	0.8	0.9	0.9	0.7	0.5	0.3	0.2	0.5
Average Relative Humidity - 0600LST (%)	71.1	71.4	70.4	70.5	70.1	70.5	76.3	80.4	79.9	77.5	76.3	73.8	74,00
Average Relative Humidity - 1500LST (%)	69.2	62.7	52.4	43.6	38.3	39.8	46.3	48.4	54,00	62.8	73.8	73.1	55.4
Pressure:
Average Station Pressure (kPa)	92.7	92.7	92.6	92.7	92.9	93,00	93.2	93.2	92.9	92.5	92.4	92.6	92.8
Average Sea Level Pressure (kPa)	101.6	101.4	101.2	101.2	101.3	101.3	101.5	101.5	101.3	100.9	101.1	101.3	101.3
Radiation:
Extreme Global - RF1 (MJ/m2)	3.6	8.7	16.9	23.8	29.7	32.3	30.1	25.6	17.6	10.8	4.9	1.8
Date (yyyy/dd)	1975/31	1972/29	1984/31	1976/29	1977/27	1972/27	1974/03	1976/01	1974/02	1994/01	1970/04	1973/01
Extreme Net - RF4 (MJ/m2)	0.7	1.6	6.1	12.9	14.9	16.6	15.5	14,00	8.3	3.2	0.6	0.6
Date (yyyy/dd)	1976/04	1992/28	1992/25	1974/24	1986/06	1985/29	1975/06	1994/01	1987/01	1988/01	1975/26	1975/13
Visibility (hours with):
< 1 km	27.7	4,00	0.9	0.9	0.3	0.7	0.5	1,00	2.7	4.4	5.8	13.6	62.5
1 to 9 km	96.7	55.7	45.4	18.8	6.7	3.9	5.5	11.2	18.9	55.5	95.9	89.3	503.5
> 9 km	619.5	618.5	697.6	700.3	737.1	715.4	738.1	731.8	698.4	684.1	618.3	641.1	8200.3
Cloud Amount (hours with):
0 to 2 tenths	174.2	175.1	194.1	169.1	123.9	99.1	88.1	139.3	119.9	92.7	108.5	147.2	1631,00
3 to 7 tenths	155,00	145.8	163.3	194.1	217.9	234.6	229.2	197.7	169.8	156.1	129.7	159.5	2152.8
8 to 10 tenths	414.9	357.3	386.6	356.8	402.3	386.3	426.7	407,00	430.4	495.2	481.8	437.3	4982.5