Jasper 5 WNW Threshold Days by Year (USC00084393)

12 fixed thresholds counted per year at Jasper 5 WNW (USC00084393): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Jasper 5 WNW Thresholds

Jasper 5 WNW: days with 10 mm (0.39 in) or more of precipitation in 17 years, most in 1944 with 50.
Jasper 5 WNW: days with 25 mm (0.98 in) or more of precipitation in 17 years, most in 1920 with 22.
Jasper 5 WNW: days with 50 mm (1.97 in) or more of precipitation in 17 years, most in 1920 with 10.
Jasper 5 WNW: nights with a minimum temperature at or below 0 C (32 F) in 16 years, most in 1943 with 50.
12 fixed thresholds have at least one qualifying day at Jasper 5 WNW.

Days at or above 30 C (86 F)

15 years with a qualifying day

Days per year at Jasper 5 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1907.

Days at or above 30 C (86 F) per year at Jasper 5 WNW
Year	Days	Decade average
1899	121	121
1900	129	148.6
1905	147	148.6
1906	142	148.6
1907	164	148.6
1908	161	148.6
1911	159	150.5
1913	142	150.5
1920	138	147.5
1921	157	147.5
1943	149	144.4
1944	136	144.4
1945	153	144.4
1946	142	144.4
1947	142	144.4

For each year, a bar from the first to the last day at Jasper 5 WNW meeting 30 C (86 F).

First to last qualifying date each year at Jasper 5 WNW
Year	First date	Last date
1899	1899-05-03	1899-10-19
1900	1900-04-17	1900-10-24
1905	1905-04-22	1905-10-20
1906	1906-04-11	1906-11-26
1907	1907-03-20	1907-10-10
1908	1908-03-28	1908-09-29
1911	1911-03-12	1911-11-07
1913	1913-03-12	1913-10-18
1920	1920-03-28	1920-10-26
1921	1921-03-08	1921-11-17
1943	1943-03-18	1943-11-07
1944	1944-03-26	1944-10-07
1945	1945-03-07	1945-11-03
1946	1946-04-03	1946-11-11
1947	1947-04-05	1947-10-20

Every Fixed Threshold

Fixed thresholds at Jasper 5 WNW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	15	164	1907	142
35 C (95 F): Days	15	41	1921	15
90 F (32.2 C): Days	15	127	1907	89
100 F (37.8 C): Days	7	3	1944	1
0 C (32 F): Frost days (min	16	50	1943	17
-10 C (14 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	16	132	1900	99
25 C (77 F): Days with min	7	6	1920	4
10 mm (0.39 in): Days with 10 mm or more rain	17	50	1944	37
25 mm (0.98 in): Days with 25 mm or more rain	17	22	1920	14
50 mm (1.97 in): Days with 50 mm or more rain	17	10	1920	4
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1911	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Jasper 5 WNW 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).

Jasper 5 WNW Threshold Days by Year (USC00084393)

Key Facts for Jasper 5 WNW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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