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Built 2026-10-18 (18 October 2026)

Cometside Threshold Days by Year

4 fixed thresholds counted per year at Cometside (ASN00035220): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cometside Thresholds

  • Cometside: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1998 with 32.
  • Cometside: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1978 with 12.
  • Cometside: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1989 with 5.
  • Cometside: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1975 with 1.
  • 4 fixed thresholds have at least one qualifying day at Cometside.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cometside Days per year at Cometside with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1998. 0102030401974: 211975: 271976: 221977: 201978: 261979: 121980: 201981: 251982: 121983: 281984: 301985: 221986: 211987: 181988: 211989: 251990: 191991: 151992: 201993: 181994: 91995: 231996: 211997: 131998: 321999: 142000: 252001: 172002: 152003: 152004: 202005: 232006: 132014: 172018: 122019: 82020: 152022: 242024: 212025: 131974197819821986199019941998200220062020
Days per year at Cometside with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 32 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Cometside
YearDaysDecade average
19742121.3
19752721.3
19762221.3
19772021.3
19782621.3
19791221.3
19802022.2
19812522.2
19821222.2
19832822.2
19843022.2
19852222.2
19862122.2
19871822.2
19882122.2
19892522.2
19901918.4
19911518.4
19922018.4
19931818.4
1994918.4
19952318.4
19962118.4
19971318.4
19983218.4
19991418.4
20002518.3
20011718.3
20021518.3
20031518.3
20042018.3
20052318.3
20061318.3
20141712.3
20181212.3
2019812.3
20201518.3
20222418.3
20242118.3
20251318.3
First to last qualifying date each year at Cometside For each year, a bar from the first to the last day at Cometside meeting 10 mm (0.39 in). 1974: 17 January 1974 to 28 December 19741975: 7 January 1975 to 25 December 19751976: 14 January 1976 to 23 December 19761977: 12 January 1977 to 20 December 19771978: 30 January 1978 to 23 December 19781979: 7 February 1979 to 24 December 19791980: 6 January 1980 to 31 December 19801981: 2 January 1981 to 23 December 19811982: 18 January 1982 to 27 December 19821983: 2 January 1983 to 29 December 19831984: 29 January 1984 to 20 December 19841985: 26 January 1985 to 22 December 19851986: 5 January 1986 to 18 December 19861987: 5 January 1987 to 30 December 19871988: 5 January 1988 to 27 December 19881989: 4 January 1989 to 15 December 19891990: 16 January 1990 to 29 December 19901991: 4 January 1991 to 22 December 19911992: 1 January 1992 to 17 December 19921993: 6 January 1993 to 18 December 19931994: 3 February 1994 to 19 December 19941995: 1 January 1995 to 24 December 19951996: 3 January 1996 to 19 December 19961997: 26 January 1997 to 24 December 19971998: 31 January 1998 to 30 December 19981999: 1 January 1999 to 19 November 19992000: 3 January 2000 to 29 December 20002001: 11 January 2001 to 18 December 20012002: 1 January 2002 to 10 December 20022003: 5 February 2003 to 25 December 20032004: 11 January 2004 to 23 December 20042005: 20 January 2005 to 16 December 20052006: 7 January 2006 to 28 December 20062014: 24 March 2014 to 14 December 20142018: 5 January 2018 to 31 October 20182019: 16 March 2019 to 12 December 20192020: 17 January 2020 to 16 December 20202022: 3 February 2022 to 13 December 20222024: 11 January 2024 to 31 December 20242025: 11 January 2025 to 26 November 202519741979198419891994199920042019JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cometside meeting 10 mm (0.39 in).
First to last qualifying date each year at Cometside
YearFirst dateLast date
19741974-01-171974-12-28
19751975-01-071975-12-25
19761976-01-141976-12-23
19771977-01-121977-12-20
19781978-01-301978-12-23
19791979-02-071979-12-24
19801980-01-061980-12-31
19811981-01-021981-12-23
19821982-01-181982-12-27
19831983-01-021983-12-29
19841984-01-291984-12-20
19851985-01-261985-12-22
19861986-01-051986-12-18
19871987-01-051987-12-30
19881988-01-051988-12-27
19891989-01-041989-12-15
19901990-01-161990-12-29
19911991-01-041991-12-22
19921992-01-011992-12-17
19931993-01-061993-12-18
19941994-02-031994-12-19
19951995-01-011995-12-24
19961996-01-031996-12-19
19971997-01-261997-12-24
19981998-01-311998-12-30
19991999-01-011999-11-19
20002000-01-032000-12-29
20012001-01-112001-12-18
20022002-01-012002-12-10
20032003-02-052003-12-25
20042004-01-112004-12-23
20052005-01-202005-12-16
20062006-01-072006-12-28
20142014-03-242014-12-14
20182018-01-052018-10-31
20192019-03-162019-12-12
20202020-01-172020-12-16
20222022-02-032022-12-13
20242024-01-112024-12-31
20252025-01-112025-11-26

Every Fixed Threshold

Fixed thresholds at Cometside
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4032199813
25 mm (0.98 in): Days with 25 mm or more rain401219785
50 mm (1.97 in): Days with 50 mm or more rain30519892
100 mm (3.94 in): Days with 100 mm or more rain6119751

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1974.

Download the Data

  • Data for Cometside 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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