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

Allen Threshold Days by Year (USC00150095)

4 fixed thresholds counted per year at Allen (USC00150095): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allen Thresholds

  • Allen: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1942 with 53.
  • Allen: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1974 with 20.
  • Allen: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1941 with 2.
  • Allen: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1954 with 3.
  • 4 fixed thresholds have at least one qualifying day at Allen.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Allen Days per year at Allen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1942. 02040601941: 311942: 531943: 331944: 371945: 401946: 381947: 331948: 381949: 491950: 521951: 491952: 281953: 221954: 291955: 231956: 411957: 441958: 341959: 261972: 511973: 461974: 481975: 511976: 2819411944194719501953195619591974
Days per year at Allen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1942.
Days with 10 mm (0.39 in) or more of precipitation per year at Allen
YearDaysDecade average
19413139.1
19425339.1
19433339.1
19443739.1
19454039.1
19463839.1
19473339.1
19483839.1
19494939.1
19505234.8
19514934.8
19522834.8
19532234.8
19542934.8
19552334.8
19564134.8
19574434.8
19583434.8
19592634.8
19725144.8
19734644.8
19744844.8
19755144.8
19762844.8
First to last qualifying date each year at Allen For each year, a bar from the first to the last day at Allen meeting 10 mm (0.39 in). 1941: 8 February 1941 to 13 December 19411942: 1 January 1942 to 30 December 19421943: 26 January 1943 to 26 December 19431944: 3 January 1944 to 28 December 19441945: 1 January 1945 to 5 December 19451946: 7 January 1946 to 29 December 19461947: 1 January 1947 to 16 December 19471948: 13 January 1948 to 16 December 19481949: 5 January 1949 to 23 December 19491950: 6 January 1950 to 8 December 19501951: 4 January 1951 to 15 December 19511952: 3 January 1952 to 11 December 19521953: 7 January 1953 to 14 December 19531954: 10 January 1954 to 30 December 19541955: 11 January 1955 to 4 December 19551956: 29 January 1956 to 22 December 19561957: 9 January 1957 to 26 December 19571958: 24 January 1958 to 28 November 19581959: 16 January 1959 to 6 December 19591972: 2 January 1972 to 22 December 19721973: 4 January 1973 to 30 December 19731974: 4 January 1974 to 31 December 19741975: 11 January 1975 to 26 December 19751976: 1 January 1976 to 28 November 197619411944194719501953195619591974JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Allen meeting 10 mm (0.39 in).
First to last qualifying date each year at Allen
YearFirst dateLast date
19411941-02-081941-12-13
19421942-01-011942-12-30
19431943-01-261943-12-26
19441944-01-031944-12-28
19451945-01-011945-12-05
19461946-01-071946-12-29
19471947-01-011947-12-16
19481948-01-131948-12-16
19491949-01-051949-12-23
19501950-01-061950-12-08
19511951-01-041951-12-15
19521952-01-031952-12-11
19531953-01-071953-12-14
19541954-01-101954-12-30
19551955-01-111955-12-04
19561956-01-291956-12-22
19571957-01-091957-12-26
19581958-01-241958-11-28
19591959-01-161959-12-06
19721972-01-021972-12-22
19731973-01-041973-12-30
19741974-01-041974-12-31
19751975-01-111975-12-26
19761976-01-011976-11-28

Every Fixed Threshold

Fixed thresholds at Allen
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2453194228
25 mm (0.98 in): Days with 25 mm or more rain242019748
50 mm (1.97 in): Days with 50 mm or more rain15219412
10 cm (3.9 in): Days with 10 cm or more snowfall4319541

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1941.

Download the Data

  • Data for Allen 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).