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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Denison Threshold Days by Year

4 fixed thresholds counted per year at Denison (ASN00097018): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Denison Thresholds

  • Denison: days with 10 mm (0.39 in) or more of precipitation in 25 years, most in 1946 with 45.
  • Denison: days with 25 mm (0.98 in) or more of precipitation in 25 years, most in 1958 with 12.
  • Denison: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1957 with 2.
  • Denison: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1960 with 1.
  • 4 fixed thresholds have at least one qualifying day at Denison.
25 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Denison Days per year at Denison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1946. 02040601936: 321937: 311938: 311939: 301940: 351941: 301942: 231944: 291945: 191946: 451947: 251948: 361949: 271950: 221951: 251952: 301953: 321954: 211955: 311956: 411957: 191958: 431959: 201960: 171961: 22193619391942194619491952195519581961
Days per year at Denison with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 45 in 1946.
Days with 10 mm (0.39 in) or more of precipitation per year at Denison
YearDaysDecade average
19363231
19373131
19383131
19393031
19403529.9
19413029.9
19422329.9
19442929.9
19451929.9
19464529.9
19472529.9
19483629.9
19492729.9
19502228.4
19512528.4
19523028.4
19533228.4
19542128.4
19553128.4
19564128.4
19571928.4
19584328.4
19592028.4
19601719.5
19612219.5
First to last qualifying date each year at Denison For each year, a bar from the first to the last day at Denison meeting 10 mm (0.39 in). 1936: 9 February 1936 to 20 December 19361937: 2 January 1937 to 26 December 19371938: 2 January 1938 to 29 December 19381939: 14 January 1939 to 30 November 19391940: 6 January 1940 to 23 December 19401941: 17 January 1941 to 30 December 19411942: 6 January 1942 to 24 December 19421944: 1 February 1944 to 9 December 19441945: 17 January 1945 to 27 December 19451946: 5 January 1946 to 8 December 19461947: 17 February 1947 to 22 December 19471948: 7 January 1948 to 28 December 19481949: 6 January 1949 to 25 December 19491950: 3 January 1950 to 19 December 19501951: 4 January 1951 to 16 December 19511952: 1 February 1952 to 2 November 19521953: 6 January 1953 to 14 December 19531954: 28 January 1954 to 21 November 19541955: 19 February 1955 to 31 December 19551956: 11 January 1956 to 26 December 19561957: 10 March 1957 to 14 December 19571958: 20 January 1958 to 17 December 19581959: 7 January 1959 to 28 December 19591960: 29 January 1960 to 14 November 19601961: 26 February 1961 to 9 December 19611936194019451949195319571961JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Denison meeting 10 mm (0.39 in).
First to last qualifying date each year at Denison
YearFirst dateLast date
19361936-02-091936-12-20
19371937-01-021937-12-26
19381938-01-021938-12-29
19391939-01-141939-11-30
19401940-01-061940-12-23
19411941-01-171941-12-30
19421942-01-061942-12-24
19441944-02-011944-12-09
19451945-01-171945-12-27
19461946-01-051946-12-08
19471947-02-171947-12-22
19481948-01-071948-12-28
19491949-01-061949-12-25
19501950-01-031950-12-19
19511951-01-041951-12-16
19521952-02-011952-11-02
19531953-01-061953-12-14
19541954-01-281954-11-21
19551955-02-191955-12-31
19561956-01-111956-12-26
19571957-03-101957-12-14
19581958-01-201958-12-17
19591959-01-071959-12-28
19601960-01-291960-11-14
19611961-02-261961-12-09

Every Fixed Threshold

Fixed thresholds at Denison
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2545194622
25 mm (0.98 in): Days with 25 mm or more rain251219581
50 mm (1.97 in): Days with 50 mm or more rain10219572
100 mm (3.94 in): Days with 100 mm or more rain1119601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1936.

Download the Data

  • Data for Denison 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).