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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Dawson A Threshold Days by Year (CA002100402)

11 fixed thresholds counted per year at Dawson A (CA002100402): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Dawson A Thresholds

  • Dawson A: days with a maximum temperature at or below 0 C (32 F) in 8 years, most in 1983 with 174.
  • Dawson A: nights with a minimum temperature at or below 0 C (32 F) in 8 years, most in 1977 with 248.
  • Dawson A: nights with a minimum temperature at or below -10 C (14 F) in 8 years, most in 1982 with 174.
  • Dawson A: nights with a minimum temperature at or below -20 C (-4 F) in 8 years, most in 1982 with 117.
  • 11 fixed thresholds have at least one qualifying day at Dawson A.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Dawson A Days per year at Dawson A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1983. 02461976: 41977: 51978: 41980: 21982: 11983: 6197619771978198019821983
Days per year at Dawson A with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 6 in 1983.
Days at or above 30 C (86 F) per year at Dawson A
YearDaysDecade average
197644.3
197754.3
197844.3
198023
198213
198363
First to last qualifying date each year at Dawson A For each year, a bar from the first to the last day at Dawson A meeting 30 C (86 F). 1976: 30 July 1976 to 3 August 19761977: 29 July 1977 to 14 August 19771978: 8 July 1978 to 1 August 19781980: 6 June 1980 to 7 June 19801982: 7 July 1982 to 7 July 19821983: 30 May 1983 to 1 July 1983197619771978198019821983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Dawson A meeting 30 C (86 F).
First to last qualifying date each year at Dawson A
YearFirst dateLast date
19761976-07-301976-08-03
19771977-07-291977-08-14
19781978-07-081978-08-01
19801980-06-061980-06-07
19821982-07-071982-07-07
19831983-05-301983-07-01

Every Fixed Threshold

Fixed thresholds at Dawson A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6619836
90 F (32.2 C): Days5219832
0 C (32 F): Ice days (max81741983174
0 C (32 F): Frost days (min82481977247
-10 C (14 F): Days with min81741982169
-20 C (-4 F): Days with min81171982113
-30 C (-22 F): Days with min877198262
-40 C (-40 F): Days with min845197930
10 mm (0.39 in): Days with 10 mm or more rain7819818
25 mm (0.98 in): Days with 25 mm or more rain1119801
10 cm (3.9 in): Days with 10 cm or more snowfall7319833

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for Dawson A 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 (2026-10-17).