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Built 2026-10-19 (19 October 2026)

Randolph Threshold Days by Year (USC00136891)

7 fixed thresholds counted per year at Randolph (USC00136891): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Randolph Thresholds

  • Randolph: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 1993 with 43.
  • Randolph: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 2015 with 18.
  • Randolph: days with 50 mm (1.97 in) or more of precipitation in 37 years, most in 1989 with 6.
  • Randolph: days with 10 cm (3.9 in) or more of snowfall in 31 years, most in 2019 with 6.
  • 7 fixed thresholds have at least one qualifying day at Randolph.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Randolph Days per year at Randolph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1993. 02040601975: 241976: 291979: 311980: 231981: 241983: 231984: 281985: 221986: 361987: 281988: 131989: 181990: 281991: 291992: 321993: 431994: 191995: 311996: 281997: 271998: 311999: 242000: 192001: 262002: 252003: 312004: 242005: 202006: 242007: 292008: 382009: 312010: 322011: 252012: 272013: 252014: 292015: 372016: 332017: 322018: 362019: 332020: 222021: 282022: 202023: 242024: 252025: 192026: 281975198319881993199820032008201320182023
Days per year at Randolph with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1993.
Days with 10 mm (0.39 in) or more of precipitation per year at Randolph
YearDaysDecade average
19752428
19762928
19793128
19802323.9
19812423.9
19832323.9
19842823.9
19852223.9
19863623.9
19872823.9
19881323.9
19891823.9
19902829.2
19912929.2
19923229.2
19934329.2
19941929.2
19953129.2
19962829.2
19972729.2
19983129.2
19992429.2
20001926.7
20012626.7
20022526.7
20033126.7
20042426.7
20052026.7
20062426.7
20072926.7
20083826.7
20093126.7
20103230.9
20112530.9
20122730.9
20132530.9
20142930.9
20153730.9
20163330.9
20173230.9
20183630.9
20193330.9
20202223.7
20212823.7
20222023.7
20232423.7
20242523.7
20251923.7
20262823.7
First to last qualifying date each year at Randolph For each year, a bar from the first to the last day at Randolph meeting 10 mm (0.39 in). 1975: 4 February 1975 to 14 December 19751976: 17 February 1976 to 4 October 19761979: 13 January 1979 to 21 November 19791980: 30 March 1980 to 8 December 19801981: 1 February 1981 to 1 December 19811983: 5 March 1983 to 28 November 19831984: 1 January 1984 to 16 December 19841985: 4 March 1985 to 19 October 19851986: 4 February 1986 to 2 December 19861987: 1 March 1987 to 28 November 19871988: 2 April 1988 to 16 November 19881989: 29 January 1989 to 9 September 19891990: 20 January 1990 to 4 November 19901991: 5 January 1991 to 23 December 19911992: 18 February 1992 to 14 December 19921993: 30 March 1993 to 13 November 19931994: 12 April 1994 to 15 December 19941995: 6 January 1995 to 2 November 19951996: 18 January 1996 to 30 November 19961997: 4 February 1997 to 3 December 19971998: 1 February 1998 to 8 November 19981999: 22 January 1999 to 23 November 19992000: 18 February 2000 to 11 December 20002001: 9 February 2001 to 24 November 20012002: 31 January 2002 to 17 October 20022003: 16 January 2003 to 10 December 20032004: 17 January 2004 to 6 September 20042005: 5 January 2005 to 28 November 20052006: 29 January 2006 to 31 December 20062007: 25 February 2007 to 11 December 20072008: 6 February 2008 to 11 November 20082009: 8 March 2009 to 25 December 20092010: 6 January 2010 to 13 November 20102011: 25 March 2011 to 14 December 20112012: 3 February 2012 to 20 December 20122013: 22 February 2013 to 6 November 20132014: 21 February 2014 to 23 December 20142015: 1 February 2015 to 24 December 20152016: 8 January 2016 to 4 December 20162017: 16 January 2017 to 18 November 20172018: 22 January 2018 to 27 December 20182019: 12 January 2019 to 29 December 20192020: 9 March 2020 to 30 December 20202021: 26 January 2021 to 16 December 20212022: 15 January 2022 to 13 December 20222023: 3 January 2023 to 25 December 20232024: 9 January 2024 to 19 November 20242025: 5 March 2025 to 29 October 20252026: 9 January 2026 to 30 September 20261975198519921999200620132020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Randolph meeting 10 mm (0.39 in).
First to last qualifying date each year at Randolph
YearFirst dateLast date
19751975-02-041975-12-14
19761976-02-171976-10-04
19791979-01-131979-11-21
19801980-03-301980-12-08
19811981-02-011981-12-01
19831983-03-051983-11-28
19841984-01-011984-12-16
19851985-03-041985-10-19
19861986-02-041986-12-02
19871987-03-011987-11-28
19881988-04-021988-11-16
19891989-01-291989-09-09
19901990-01-201990-11-04
19911991-01-051991-12-23
19921992-02-181992-12-14
19931993-03-301993-11-13
19941994-04-121994-12-15
19951995-01-061995-11-02
19961996-01-181996-11-30
19971997-02-041997-12-03
19981998-02-011998-11-08
19991999-01-221999-11-23
20002000-02-182000-12-11
20012001-02-092001-11-24
20022002-01-312002-10-17
20032003-01-162003-12-10
20042004-01-172004-09-06
20052005-01-052005-11-28
20062006-01-292006-12-31
20072007-02-252007-12-11
20082008-02-062008-11-11
20092009-03-082009-12-25
20102010-01-062010-11-13
20112011-03-252011-12-14
20122012-02-032012-12-20
20132013-02-222013-11-06
20142014-02-212014-12-23
20152015-02-012015-12-24
20162016-01-082016-12-04
20172017-01-162017-11-18
20182018-01-222018-12-27
20192019-01-122019-12-29
20202020-03-092020-12-30
20212021-01-262021-12-16
20222022-01-152022-12-13
20232023-01-032023-12-25
20242024-01-092024-11-19
20252025-03-052025-10-29
20262026-01-092026-09-30

Every Fixed Threshold

Fixed thresholds at Randolph
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4943199328
25 mm (0.98 in): Days with 25 mm or more rain491820158
50 mm (1.97 in): Days with 50 mm or more rain37619891
100 mm (3.94 in): Days with 100 mm or more rain8219871
200 mm (7.87 in): Days with 200 mm or more rain1119901
10 cm (3.9 in): Days with 10 cm or more snowfall31620191
25 cm (9.8 in): Days with 25 cm or more snowfall3120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Randolph 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).