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

Culman Threshold Days by Year (RSM00030393)

12 fixed thresholds counted per year at Culman (RSM00030393): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Culman Thresholds

  • Culman: days with 10 mm (0.39 in) or more of precipitation in 86 years, most in 2005 with 27.
  • Culman: nights with a minimum temperature at or below 0 C (32 F) in 79 years, most in 1964 with 278.
  • Culman: nights with a minimum temperature at or below -10 C (14 F) in 79 years, most in 1955 with 208.
  • Culman: nights with a minimum temperature at or below -20 C (-4 F) in 79 years, most in 1964 with 171.
  • 12 fixed thresholds have at least one qualifying day at Culman.
45 years with a qualifying day
Days at or above 30 C (86 F) per year at Culman Days per year at Culman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1954. 051015201937: 21940: 41941: 151942: 41949: 111950: 41951: 21952: 41953: 21954: 171955: 31957: 11959: 11960: 51961: 51962: 71963: 91964: 21966: 31967: 21968: 21970: 71976: 11977: 11979: 11980: 21985: 21986: 31991: 11995: 11996: 21997: 11998: 21999: 12002: 22004: 42005: 22007: 12008: 82011: 102014: 12015: 22017: 52018: 12025: 2193719501955196219681980199620042014
Days per year at Culman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 17 in 1954.
Days at or above 30 C (86 F) per year at Culman
YearDaysDecade average
193722
194048.5
1941158.5
194248.5
1949118.5
195044.3
195124.3
195244.3
195324.3
1954174.3
195534.3
195714.3
195914.3
196054.4
196154.4
196274.4
196394.4
196424.4
196634.4
196724.4
196824.4
197072.5
197612.5
197712.5
197912.5
198022.3
198522.3
198632.3
199111.3
199511.3
199621.3
199711.3
199821.3
199911.3
200223.4
200443.4
200523.4
200713.4
200883.4
2011103.8
201413.8
201523.8
201753.8
201813.8
202522
First to last qualifying date each year at Culman For each year, a bar from the first to the last day at Culman meeting 30 C (86 F). 1937: 7 August 1937 to 8 August 19371940: 24 June 1940 to 27 June 19401941: 3 July 1941 to 8 August 19411942: 9 July 1942 to 14 July 19421949: 5 July 1949 to 3 August 19491950: 2 June 1950 to 25 July 19501951: 2 July 1951 to 22 July 19511952: 12 July 1952 to 4 August 19521953: 27 June 1953 to 28 June 19531954: 26 June 1954 to 31 July 19541955: 13 July 1955 to 20 August 19551957: 3 August 1957 to 3 August 19571959: 8 July 1959 to 8 July 19591960: 7 July 1960 to 29 July 19601961: 27 July 1961 to 31 July 19611962: 21 June 1962 to 6 August 19621963: 10 July 1963 to 24 July 19631964: 27 July 1964 to 28 July 19641966: 27 June 1966 to 5 July 19661967: 30 July 1967 to 31 July 19671968: 7 July 1968 to 14 July 19681970: 26 June 1970 to 13 July 19701976: 19 July 1976 to 19 July 19761977: 17 July 1977 to 17 July 19771979: 4 July 1979 to 4 July 19791980: 26 July 1980 to 28 July 19801985: 25 June 1985 to 2 July 19851986: 5 July 1986 to 7 July 19861991: 6 July 1991 to 6 July 19911995: 29 June 1995 to 29 June 19951996: 9 July 1996 to 11 July 19961997: 16 July 1997 to 16 July 19971998: 13 July 1998 to 14 July 19981999: 6 August 1999 to 6 August 19992002: 4 July 2002 to 5 July 20022004: 10 July 2004 to 13 July 20042005: 12 July 2005 to 25 August 20052007: 2 July 2007 to 2 July 20072008: 12 June 2008 to 1 July 20082011: 25 June 2011 to 22 July 20112014: 22 June 2014 to 22 June 20142015: 9 August 2015 to 10 August 20152017: 23 June 2017 to 4 July 20172018: 27 July 2018 to 27 July 20182025: 25 June 2025 to 26 June 202519371951195919661979199620052017JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Culman meeting 30 C (86 F).
First to last qualifying date each year at Culman
YearFirst dateLast date
19371937-08-071937-08-08
19401940-06-241940-06-27
19411941-07-031941-08-08
19421942-07-091942-07-14
19491949-07-051949-08-03
19501950-06-021950-07-25
19511951-07-021951-07-22
19521952-07-121952-08-04
19531953-06-271953-06-28
19541954-06-261954-07-31
19551955-07-131955-08-20
19571957-08-031957-08-03
19591959-07-081959-07-08
19601960-07-071960-07-29
19611961-07-271961-07-31
19621962-06-211962-08-06
19631963-07-101963-07-24
19641964-07-271964-07-28
19661966-06-271966-07-05
19671967-07-301967-07-31
19681968-07-071968-07-14
19701970-06-261970-07-13
19761976-07-191976-07-19
19771977-07-171977-07-17
19791979-07-041979-07-04
19801980-07-261980-07-28
19851985-06-251985-07-02
19861986-07-051986-07-07
19911991-07-061991-07-06
19951995-06-291995-06-29
19961996-07-091996-07-11
19971997-07-161997-07-16
19981998-07-131998-07-14
19991999-08-061999-08-06
20022002-07-042002-07-05
20042004-07-102004-07-13
20052005-07-122005-08-25
20072007-07-022007-07-02
20082008-06-122008-07-01
20112011-06-252011-07-22
20142014-06-222014-06-22
20152015-08-092015-08-10
20172017-06-232017-07-04
20182018-07-272018-07-27
20252025-06-252025-06-26

Every Fixed Threshold

Fixed thresholds at Culman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days451719542
90 F (32.2 C): Days19819541
0 C (32 F): Ice days (max77211198788
0 C (32 F): Frost days (min79278196484
-10 C (14 F): Days with min79208195557
-20 C (-4 F): Days with min79171196449
-30 C (-22 F): Days with min79140195223
-40 C (-40 F): Days with min797719652
20 C (68 F): Tropical nights (min1120181
10 mm (0.39 in): Days with 10 mm or more rain8627200516
25 mm (0.98 in): Days with 25 mm or more rain75619426
50 mm (1.97 in): Days with 50 mm or more rain15119381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1937.

Download the Data

  • Data for Culman 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).