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

Nipigon Threshold Days by Year (CA006045665)

13 fixed thresholds counted per year at Nipigon (CA006045665): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nipigon Thresholds

  • Nipigon: days with 10 cm (3.9 in) or more of snowfall in 10 years, most in 1888 with 12.
  • Nipigon: days with 10 mm (0.39 in) or more of precipitation in 9 years, most in 1888 with 23.
  • Nipigon: days with 25 mm (0.98 in) or more of precipitation in 7 years, most in 1888 with 6.
  • Nipigon: days with 25 cm (9.8 in) or more of snowfall in 6 years, most in 1888 with 2.
  • 13 fixed thresholds have at least one qualifying day at Nipigon.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Nipigon Days per year at Nipigon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1921. 051015201915: 71918: 11921: 191922: 21915191819211922
Days per year at Nipigon with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 19 in 1921.
Days at or above 30 C (86 F) per year at Nipigon
YearDaysDecade average
191574
191814
19211910.5
1922210.5
First to last qualifying date each year at Nipigon For each year, a bar from the first to the last day at Nipigon meeting 30 C (86 F). 1915: 9 August 1915 to 1 September 19151918: 22 August 1918 to 22 August 19181921: 27 June 1921 to 4 September 19211922: 15 August 1922 to 17 August 19221915191819211922JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nipigon meeting 30 C (86 F).
First to last qualifying date each year at Nipigon
YearFirst dateLast date
19151915-08-091915-09-01
19181918-08-221918-08-22
19211921-06-271921-09-04
19221922-08-151922-08-17

Every Fixed Threshold

Fixed thresholds at Nipigon
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days41919212
90 F (32.2 C): Days1719217
0 C (32 F): Ice days (max41191921104
0 C (32 F): Frost days (min42021918194
-10 C (14 F): Days with min41121921106
-20 C (-4 F): Days with min458192258
-30 C (-22 F): Days with min415192215
-40 C (-40 F): Days with min1119151
10 mm (0.39 in): Days with 10 mm or more rain923188823
25 mm (0.98 in): Days with 25 mm or more rain7618885
50 mm (1.97 in): Days with 50 mm or more rain1119151
10 cm (3.9 in): Days with 10 cm or more snowfall101218884
25 cm (9.8 in): Days with 25 cm or more snowfall6218881

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Nipigon 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).