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

Donald Threshold Days by Year (CA001172525)

13 fixed thresholds counted per year at Donald (CA001172525): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Donald Thresholds

  • Donald: days with a maximum temperature at or above 30 C (86 F) in 9 years, most in 1971 with 29.
  • Donald: days with a maximum temperature at or below 0 C (32 F) in 9 years, most in 1898 with 99.
  • Donald: nights with a minimum temperature at or below 0 C (32 F) in 9 years, most in 1893 with 227.
  • Donald: nights with a minimum temperature at or below -10 C (14 F) in 9 years, most in 1898 with 99.
  • 13 fixed thresholds have at least one qualifying day at Donald.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Donald Days per year at Donald with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1971. 01020301892: 111893: 161894: 241898: 271899: 141966: 41967: 231970: 221971: 29189218931894189818991966196719701971
Days per year at Donald with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 1971.
Days at or above 30 C (86 F) per year at Donald
YearDaysDecade average
18921118.4
18931618.4
18942418.4
18982718.4
18991418.4
1966413.5
19672313.5
19702225.5
19712925.5
First to last qualifying date each year at Donald For each year, a bar from the first to the last day at Donald meeting 30 C (86 F). 1892: 27 June 1892 to 22 August 18921893: 8 July 1893 to 1 September 18931894: 26 May 1894 to 22 August 18941898: 25 May 1898 to 25 August 18981899: 8 July 1899 to 31 July 18991966: 2 August 1966 to 25 August 19661967: 3 July 1967 to 1 September 19671970: 2 June 1970 to 25 August 19701971: 15 July 1971 to 29 August 197118921894189919671971JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Donald meeting 30 C (86 F).
First to last qualifying date each year at Donald
YearFirst dateLast date
18921892-06-271892-08-22
18931893-07-081893-09-01
18941894-05-261894-08-22
18981898-05-251898-08-25
18991899-07-081899-07-31
19661966-08-021966-08-25
19671967-07-031967-09-01
19701970-06-021970-08-25
19711971-07-151971-08-29

Every Fixed Threshold

Fixed thresholds at Donald
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days929197129
35 C (95 F): Days4419714
90 F (32.2 C): Days820197120
0 C (32 F): Ice days (max999189880
0 C (32 F): Frost days (min92271893223
-10 C (14 F): Days with min999189884
-20 C (-4 F): Days with min938189332
-30 C (-22 F): Days with min71118994
-40 C (-40 F): Days with min1118931
10 mm (0.39 in): Days with 10 mm or more rain518196716
25 mm (0.98 in): Days with 25 mm or more rain2418981
10 cm (3.9 in): Days with 10 cm or more snowfall61119709
25 cm (9.8 in): Days with 25 cm or more snowfall1318983

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1892.

Download the Data

  • Data for Donald 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).