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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

North West River Threshold Days by Year (CA008502875)

19 fixed thresholds counted per year at North West River (CA008502875): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for North West River Thresholds

  • North West River: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 1914 with 255.
  • North West River: nights with a minimum temperature at or below -10 C (14 F) in 10 years, most in 1922 with 175.
  • North West River: nights with a minimum temperature at or below -20 C (-4 F) in 10 years, most in 1914 with 97.
  • North West River: nights with a minimum temperature at or below -30 C (-22 F) in 10 years, most in 1922 with 30.
  • 19 fixed thresholds have at least one qualifying day at North West River.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at North West River Days per year at North West River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1922. 02461914: 41922: 51923: 1191419221923
Days per year at North West River with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 5 in 1922.
Days at or above 30 C (86 F) per year at North West River
YearDaysDecade average
191444
192253
192313
First to last qualifying date each year at North West River For each year, a bar from the first to the last day at North West River meeting 30 C (86 F). 1914: 17 July 1914 to 13 August 19141922: 7 July 1922 to 30 July 19221923: 19 August 1923 to 19 August 1923191419221923JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at North West River meeting 30 C (86 F).
First to last qualifying date each year at North West River
YearFirst dateLast date
19141914-07-171914-08-13
19221922-07-071922-07-30
19231923-08-191923-08-19

Every Fixed Threshold

Fixed thresholds at North West River
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3519221
35 C (95 F): Days1219142
40 C (104 F): Days1119141
90 F (32.2 C): Days2319223
100 F (37.8 C): Days1119141
0 C (32 F): Ice days (max61621912138
0 C (32 F): Frost days (min102551914220
-10 C (14 F): Days with min101751922123
-20 C (-4 F): Days with min1097191471
-30 C (-22 F): Days with min1030192229
-40 C (-40 F): Days with min4519231
20 C (68 F): Tropical nights (min1519225
25 C (77 F): Days with min1219222
10 mm (0.39 in): Days with 10 mm or more rain638192017
25 mm (0.98 in): Days with 25 mm or more rain61919203
50 mm (1.97 in): Days with 50 mm or more rain4119201
10 cm (3.9 in): Days with 10 cm or more snowfall62619209
25 cm (9.8 in): Days with 25 cm or more snowfall519192010
50 cm (19.7 in): Days with 50 cm or more snowfall3119201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for North West River 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 . Last revised (2025-12-31).