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

Coleman Threshold Days by Year (CA003051720)

15 fixed thresholds counted per year at Coleman (CA003051720): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coleman Thresholds

  • Coleman: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1927 with 31.
  • Coleman: days with 10 cm (3.9 in) or more of snowfall in 66 years, most in 1917 with 21.
  • Coleman: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1951 with 9.
  • Coleman: days with 25 cm (9.8 in) or more of snowfall in 39 years, most in 1954 with 6.
  • 15 fixed thresholds have at least one qualifying day at Coleman.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Coleman Days per year at Coleman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1971. 0510151965: 41966: 11967: 101969: 21970: 61971: 131972: 11973: 81974: 11975: 41977: 11978: 11979: 51980: 11981: 51982: 11983: 3196519671970197219741977197919811983
Days per year at Coleman with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 13 in 1971.
Days at or above 30 C (86 F) per year at Coleman
YearDaysDecade average
196544.3
196614.3
1967104.3
196924.3
197064.4
1971134.4
197214.4
197384.4
197414.4
197544.4
197714.4
197814.4
197954.4
198012.5
198152.5
198212.5
198332.5
First to last qualifying date each year at Coleman For each year, a bar from the first to the last day at Coleman meeting 30 C (86 F). 1965: 26 July 1965 to 9 August 19651966: 25 August 1966 to 25 August 19661967: 4 August 1967 to 5 September 19671969: 24 August 1969 to 11 September 19691970: 17 July 1970 to 24 August 19701971: 20 July 1971 to 12 August 19711972: 8 August 1972 to 8 August 19721973: 10 July 1973 to 4 August 19731974: 29 July 1974 to 29 July 19741975: 4 July 1975 to 27 July 19751977: 23 July 1977 to 23 July 19771978: 4 August 1978 to 4 August 19781979: 17 July 1979 to 21 July 19791980: 22 July 1980 to 22 July 19801981: 10 August 1981 to 18 September 19811982: 29 July 1982 to 29 July 19821983: 31 July 1983 to 6 August 1983196519691972197519791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coleman meeting 30 C (86 F).
First to last qualifying date each year at Coleman
YearFirst dateLast date
19651965-07-261965-08-09
19661966-08-251966-08-25
19671967-08-041967-09-05
19691969-08-241969-09-11
19701970-07-171970-08-24
19711971-07-201971-08-12
19721972-08-081972-08-08
19731973-07-101973-08-04
19741974-07-291974-07-29
19751975-07-041975-07-27
19771977-07-231977-07-23
19781978-08-041978-08-04
19791979-07-171979-07-21
19801980-07-221980-07-22
19811981-08-101981-09-18
19821982-07-291982-07-29
19831983-07-311983-08-06

Every Fixed Threshold

Fixed thresholds at Coleman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days171319713
90 F (32.2 C): Days4419794
0 C (32 F): Ice days (max1996197560
0 C (32 F): Frost days (min192271982207
-10 C (14 F): Days with min1993198253
-20 C (-4 F): Days with min1940197921
-30 C (-22 F): Days with min191319699
-40 C (-40 F): Days with min2219682
20 C (68 F): Tropical nights (min2119701
10 mm (0.39 in): Days with 10 mm or more rain673119279
25 mm (0.98 in): Days with 25 mm or more rain57919512
50 mm (1.97 in): Days with 50 mm or more rain8219511
10 cm (3.9 in): Days with 10 cm or more snowfall662119172
25 cm (9.8 in): Days with 25 cm or more snowfall39619541
50 cm (19.7 in): Days with 50 cm or more snowfall2119351

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Coleman 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).