Whitehorse Rch Threshold Days by Year (USC00359290)

14 fixed thresholds counted per year at Whitehorse Rch (USC00359290): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Whitehorse Rch Thresholds

Whitehorse Rch: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1994 with 71.
Whitehorse Rch: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 1994 with 42.
Whitehorse Rch: days with a maximum temperature at or below 0 C (32 F) in 19 years, most in 1972 with 24.
Whitehorse Rch: days with 10 mm (0.39 in) or more of precipitation in 19 years, most in 1983 with 10.
14 fixed thresholds have at least one qualifying day at Whitehorse Rch.

Days at or above 30 C (86 F)

19 years with a qualifying day

Days per year at Whitehorse Rch with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1994.

Days at or above 30 C (86 F) per year at Whitehorse Rch
Year	Days	Decade average
1970	63	45.8
1971	49	45.8
1972	46	45.8
1973	61	45.8
1974	55	45.8
1975	33	45.8
1976	35	45.8
1977	44	45.8
1978	33	45.8
1979	39	45.8
1980	27	31.5
1982	34	31.5
1983	25	31.5
1989	40	31.5
1990	61	66
1994	71	66
2002	56	59.3
2003	71	59.3
2004	51	59.3

For each year, a bar from the first to the last day at Whitehorse Rch meeting 30 C (86 F).

First to last qualifying date each year at Whitehorse Rch
Year	First date	Last date
1970	1970-05-16	1970-10-03
1971	1971-06-21	1971-09-13
1972	1972-05-28	1972-09-04
1973	1973-05-15	1973-09-13
1974	1974-06-10	1974-09-07
1975	1975-06-01	1975-09-07
1976	1976-05-13	1976-09-03
1977	1977-06-04	1977-09-07
1978	1978-06-08	1978-09-25
1979	1979-05-22	1979-09-18
1980	1980-06-21	1980-09-06
1982	1982-06-16	1982-09-10
1983	1983-05-25	1983-09-07
1989	1989-06-08	1989-09-24
1990	1990-06-20	1990-09-14
1994	1994-06-12	1994-09-27
2002	2002-05-29	2002-09-15
2003	2003-05-22	2003-09-28
2004	2004-06-22	2004-10-08

Every Fixed Threshold

Fixed thresholds at Whitehorse Rch
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	19	71	1994	51
35 C (95 F): Days	17	20	2003	2
40 C (104 F): Days	1	2	2003	2
90 F (32.2 C): Days	19	42	1994	28
100 F (37.8 C): Days	5	7	1990	3
0 C (32 F): Ice days (max	19	24	1972	13
0 C (32 F): Frost days (min	18	190	1970	147
-10 C (14 F): Days with min	18	53	1982	17
-20 C (-4 F): Days with min	12	10	1972	7
-30 C (-22 F): Days with min	2	3	1972	1
20 C (68 F): Tropical nights (min	6	4	2003	4
10 mm (0.39 in): Days with 10 mm or more rain	19	10	1983	6
25 mm (0.98 in): Days with 25 mm or more rain	6	1	1971	2
10 cm (3.9 in): Days with 10 cm or more snowfall	11	4	1974	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

Data for Whitehorse Rch threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Whitehorse Rch Threshold Days by Year (USC00359290)

Key Facts for Whitehorse Rch Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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