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Built 2026-10-19 (19 October 2026)

Galva Threshold Days by Year (USC00133108)

6 fixed thresholds counted per year at Galva (USC00133108): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Galva Thresholds

  • Galva: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 2007 with 35.
  • Galva: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1992 with 15.
  • Galva: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1983 with 4.
  • Galva: days with 10 cm (3.9 in) or more of snowfall in 29 years, most in 1984 with 8.
  • 6 fixed thresholds have at least one qualifying day at Galva.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Galva Days per year at Galva with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 2007. 0102030401972: 271973: 251974: 181975: 231976: 101979: 301980: 171981: 171982: 271983: 331984: 301985: 251986: 291987: 231989: 141990: 281991: 341992: 251993: 271994: 241995: 221996: 261997: 241998: 301999: 192000: 152001: 262002: 282003: 232004: 302005: 242006: 222007: 352008: 282009: 15197219761982198619911995199920032007
Days per year at Galva with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 2007.
Days with 10 mm (0.39 in) or more of precipitation per year at Galva
YearDaysDecade average
19722722.2
19732522.2
19741822.2
19752322.2
19761022.2
19793022.2
19801723.9
19811723.9
19822723.9
19833323.9
19843023.9
19852523.9
19862923.9
19872323.9
19891423.9
19902825.9
19913425.9
19922525.9
19932725.9
19942425.9
19952225.9
19962625.9
19972425.9
19983025.9
19991925.9
20001524.6
20012624.6
20022824.6
20032324.6
20043024.6
20052424.6
20062224.6
20073524.6
20082824.6
20091524.6
First to last qualifying date each year at Galva For each year, a bar from the first to the last day at Galva meeting 10 mm (0.39 in). 1972: 21 April 1972 to 29 December 19721973: 11 March 1973 to 20 November 19731974: 4 April 1974 to 29 October 19741975: 11 January 1975 to 14 December 19751976: 15 February 1976 to 19 September 19761979: 3 March 1979 to 22 November 19791980: 16 January 1980 to 17 October 19801981: 25 March 1981 to 1 December 19811982: 23 January 1982 to 28 December 19821983: 6 March 1983 to 28 November 19831984: 4 March 1984 to 16 December 19841985: 4 March 1985 to 17 October 19851986: 5 February 1986 to 23 October 19861987: 1 March 1987 to 9 December 19871989: 6 January 1989 to 5 October 19891990: 8 March 1990 to 21 October 19901991: 23 March 1991 to 13 December 19911992: 9 March 1992 to 20 November 19921993: 12 January 1993 to 25 November 19931994: 12 April 1994 to 7 December 19941995: 7 March 1995 to 2 November 19951996: 18 January 1996 to 26 December 19961997: 4 February 1997 to 26 October 19971998: 5 January 1998 to 27 October 19981999: 2 January 1999 to 23 November 19992000: 25 February 2000 to 7 November 20002001: 14 January 2001 to 25 November 20012002: 8 March 2002 to 28 October 20022003: 15 February 2003 to 3 December 20032004: 16 January 2004 to 27 November 20042005: 23 February 2005 to 28 November 20052006: 5 March 2006 to 31 December 20062007: 24 February 2007 to 2 December 20072008: 26 February 2008 to 19 December 20082009: 23 March 2009 to 22 October 20091972197919841990199520002005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Galva meeting 10 mm (0.39 in).
First to last qualifying date each year at Galva
YearFirst dateLast date
19721972-04-211972-12-29
19731973-03-111973-11-20
19741974-04-041974-10-29
19751975-01-111975-12-14
19761976-02-151976-09-19
19791979-03-031979-11-22
19801980-01-161980-10-17
19811981-03-251981-12-01
19821982-01-231982-12-28
19831983-03-061983-11-28
19841984-03-041984-12-16
19851985-03-041985-10-17
19861986-02-051986-10-23
19871987-03-011987-12-09
19891989-01-061989-10-05
19901990-03-081990-10-21
19911991-03-231991-12-13
19921992-03-091992-11-20
19931993-01-121993-11-25
19941994-04-121994-12-07
19951995-03-071995-11-02
19961996-01-181996-12-26
19971997-02-041997-10-26
19981998-01-051998-10-27
19991999-01-021999-11-23
20002000-02-252000-11-07
20012001-01-142001-11-25
20022002-03-082002-10-28
20032003-02-152003-12-03
20042004-01-162004-11-27
20052005-02-232005-11-28
20062006-03-052006-12-31
20072007-02-242007-12-02
20082008-02-262008-12-19
20092009-03-232009-10-22

Every Fixed Threshold

Fixed thresholds at Galva
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3535200715
25 mm (0.98 in): Days with 25 mm or more rain351519926
50 mm (1.97 in): Days with 50 mm or more rain29419832
100 mm (3.94 in): Days with 100 mm or more rain2119961
10 cm (3.9 in): Days with 10 cm or more snowfall29819845
25 cm (9.8 in): Days with 25 cm or more snowfall5220041

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1972.

Download the Data

  • Data for Galva 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).