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

Mtn Grove Threshold Days by Year (USC00445756)

7 fixed thresholds counted per year at Mtn Grove (USC00445756): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mtn Grove Thresholds

  • Mtn Grove: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1982 with 47.
  • Mtn Grove: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1991 with 13.
  • Mtn Grove: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1989 with 4.
  • Mtn Grove: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 2010 with 10.
  • 7 fixed thresholds have at least one qualifying day at Mtn Grove.
27 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mtn Grove Days per year at Mtn Grove with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1982. 02040601977: 251978: 371979: 471980: 301981: 231982: 471983: 421985: 321986: 261987: 331988: 201989: 451990: 281991: 281992: 311993: 282004: 412005: 292006: 302007: 302008: 282009: 402011: 362012: 332013: 332014: 242015: 39197719801983198719901993200620092013
Days per year at Mtn Grove with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1982.
Days with 10 mm (0.39 in) or more of precipitation per year at Mtn Grove
YearDaysDecade average
19772536.3
19783736.3
19794736.3
19803033.1
19812333.1
19824733.1
19834233.1
19853233.1
19862633.1
19873333.1
19882033.1
19894533.1
19902828.8
19912828.8
19923128.8
19932828.8
20044133
20052933
20063033
20073033
20082833
20094033
20113633
20123333
20133333
20142433
20153933
First to last qualifying date each year at Mtn Grove For each year, a bar from the first to the last day at Mtn Grove meeting 10 mm (0.39 in). 1977: 25 February 1977 to 15 December 19771978: 9 January 1978 to 31 December 19781979: 2 January 1979 to 25 December 19791980: 5 January 1980 to 24 November 19801981: 2 February 1981 to 22 December 19811982: 2 January 1982 to 15 December 19821983: 22 January 1983 to 12 December 19831985: 3 January 1985 to 4 December 19851986: 18 January 1986 to 11 December 19861987: 19 January 1987 to 29 December 19871988: 14 January 1988 to 9 December 19881989: 1 January 1989 to 18 December 19891990: 1 January 1990 to 24 December 19901991: 7 January 1991 to 29 December 19911992: 4 January 1992 to 23 December 19921993: 22 January 1993 to 16 December 19932004: 2 January 2004 to 23 December 20042005: 14 January 2005 to 16 December 20052006: 14 January 2006 to 23 December 20062007: 5 January 2007 to 29 December 20072008: 9 January 2008 to 17 December 20082009: 7 January 2009 to 31 December 20092011: 25 February 2011 to 28 December 20112012: 12 January 2012 to 2 October 20122013: 16 January 2013 to 30 December 20132014: 11 January 2014 to 27 November 20142015: 4 January 2015 to 24 December 20151977198119861990200420082013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mtn Grove meeting 10 mm (0.39 in).
First to last qualifying date each year at Mtn Grove
YearFirst dateLast date
19771977-02-251977-12-15
19781978-01-091978-12-31
19791979-01-021979-12-25
19801980-01-051980-11-24
19811981-02-021981-12-22
19821982-01-021982-12-15
19831983-01-221983-12-12
19851985-01-031985-12-04
19861986-01-181986-12-11
19871987-01-191987-12-29
19881988-01-141988-12-09
19891989-01-011989-12-18
19901990-01-011990-12-24
19911991-01-071991-12-29
19921992-01-041992-12-23
19931993-01-221993-12-16
20042004-01-022004-12-23
20052005-01-142005-12-16
20062006-01-142006-12-23
20072007-01-052007-12-29
20082008-01-092008-12-17
20092009-01-072009-12-31
20112011-02-252011-12-28
20122012-01-122012-10-02
20132013-01-162013-12-30
20142014-01-112014-11-27
20152015-01-042015-12-24

Every Fixed Threshold

Fixed thresholds at Mtn Grove
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2747198239
25 mm (0.98 in): Days with 25 mm or more rain2713199110
50 mm (1.97 in): Days with 50 mm or more rain21419891
100 mm (3.94 in): Days with 100 mm or more rain1119851
200 mm (7.87 in): Days with 200 mm or more rain1119851
10 cm (3.9 in): Days with 10 cm or more snowfall121020103
25 cm (9.8 in): Days with 25 cm or more snowfall4120091

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1977.

Download the Data

  • Data for Mtn Grove 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).