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

Plains Threshold Days by Year (USC00146427)

18 fixed thresholds counted per year at Plains (USC00146427): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Plains Thresholds

  • Plains: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1915 with 29.
  • Plains: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1941 with 9.
  • Plains: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 1961 with 5.
  • Plains: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 1948 with 7.
  • 18 fixed thresholds have at least one qualifying day at Plains.
11 years with a qualifying day
Days at or above 30 C (86 F) per year at Plains Days per year at Plains with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 121 in 1921. 0501001501911: 1131912: 831913: 1041914: 1061915: 511916: 1131918: 961919: 991920: 841921: 1211926: 97191119131915191819201926
Days per year at Plains with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 121 in 1921.
Days at or above 30 C (86 F) per year at Plains
YearDaysDecade average
191111395.6
19128395.6
191310495.6
191410695.6
19155195.6
191611395.6
19189695.6
19199995.6
192084100.7
1921121100.7
192697100.7
First to last qualifying date each year at Plains For each year, a bar from the first to the last day at Plains meeting 30 C (86 F). 1911: 28 April 1911 to 14 October 19111912: 30 April 1912 to 8 October 19121913: 2 April 1913 to 14 October 19131914: 16 April 1914 to 30 September 19141915: 28 April 1915 to 19 September 19151916: 5 March 1916 to 5 November 19161918: 8 May 1918 to 7 October 19181919: 3 May 1919 to 3 October 19191920: 1 May 1920 to 10 October 19201921: 18 March 1921 to 24 October 19211926: 16 May 1926 to 28 October 1926191119131915191819201926JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Plains meeting 30 C (86 F).
First to last qualifying date each year at Plains
YearFirst dateLast date
19111911-04-281911-10-14
19121912-04-301912-10-08
19131913-04-021913-10-14
19141914-04-161914-09-30
19151915-04-281915-09-19
19161916-03-051916-11-05
19181918-05-081918-10-07
19191919-05-031919-10-03
19201920-05-011920-10-10
19211921-03-181921-10-24
19261926-05-161926-10-28

Every Fixed Threshold

Fixed thresholds at Plains
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days11121192197
35 C (95 F): Days1151191141
40 C (104 F): Days5519112
90 F (32.2 C): Days1194191169
100 F (37.8 C): Days102019139
110 F (43.3 C): Days1119111
0 C (32 F): Ice days (max1129191211
0 C (32 F): Frost days (min121421912129
-10 C (14 F): Days with min1245191212
-20 C (-4 F): Days with min10919121
20 C (68 F): Tropical nights (min123519199
25 C (77 F): Days with min2119111
10 mm (0.39 in): Days with 10 mm or more rain6029191522
25 mm (0.98 in): Days with 25 mm or more rain57919416
50 mm (1.97 in): Days with 50 mm or more rain38519612
100 mm (3.94 in): Days with 100 mm or more rain2119211
10 cm (3.9 in): Days with 10 cm or more snowfall31719482
25 cm (9.8 in): Days with 25 cm or more snowfall6119391

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Plains 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).