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

Mapleton Threshold Days by Year (USC00135127)

5 fixed thresholds counted per year at Mapleton (USC00135127): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mapleton Thresholds

  • Mapleton: days with 10 mm (0.39 in) or more of precipitation in 16 years, most in 1982 with 35.
  • Mapleton: days with 25 mm (0.98 in) or more of precipitation in 16 years, most in 1982 with 13.
  • Mapleton: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1992 with 3.
  • Mapleton: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1983 with 7.
  • 5 fixed thresholds have at least one qualifying day at Mapleton.
16 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mapleton Days per year at Mapleton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1982. 0102030401949: 141979: 231980: 171981: 151982: 351983: 251984: 351985: 211986: 301987: 251988: 191989: 171990: 261991: 301992: 271993: 3319491980198219841986198819901992
Days per year at Mapleton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1982.
Days with 10 mm (0.39 in) or more of precipitation per year at Mapleton
YearDaysDecade average
19491414
19792323
19801723.9
19811523.9
19823523.9
19832523.9
19843523.9
19852123.9
19863023.9
19872523.9
19881923.9
19891723.9
19902629
19913029
19922729
19933329
First to last qualifying date each year at Mapleton For each year, a bar from the first to the last day at Mapleton meeting 10 mm (0.39 in). 1949: 3 January 1949 to 20 October 19491979: 3 March 1979 to 22 November 19791980: 16 January 1980 to 16 October 19801981: 29 March 1981 to 1 December 19811982: 23 January 1982 to 28 December 19821983: 29 January 1983 to 28 November 19831984: 19 February 1984 to 21 December 19841985: 27 March 1985 to 18 October 19851986: 5 February 1986 to 8 November 19861987: 18 March 1987 to 9 December 19871988: 19 January 1988 to 20 December 19881989: 6 January 1989 to 5 October 19891990: 7 March 1990 to 18 December 19901991: 5 January 1991 to 13 December 19911992: 9 March 1992 to 20 November 19921993: 12 January 1993 to 14 December 199319491980198219841986198819901992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mapleton meeting 10 mm (0.39 in).
First to last qualifying date each year at Mapleton
YearFirst dateLast date
19491949-01-031949-10-20
19791979-03-031979-11-22
19801980-01-161980-10-16
19811981-03-291981-12-01
19821982-01-231982-12-28
19831983-01-291983-11-28
19841984-02-191984-12-21
19851985-03-271985-10-18
19861986-02-051986-11-08
19871987-03-181987-12-09
19881988-01-191988-12-20
19891989-01-061989-10-05
19901990-03-071990-12-18
19911991-01-051991-12-13
19921992-03-091992-11-20
19931993-01-121993-12-14

Every Fixed Threshold

Fixed thresholds at Mapleton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1635198233
25 mm (0.98 in): Days with 25 mm or more rain161319829
50 mm (1.97 in): Days with 50 mm or more rain14319922
10 cm (3.9 in): Days with 10 cm or more snowfall13719834
25 cm (9.8 in): Days with 25 cm or more snowfall1219832

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for Mapleton 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).