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Built 2026-10-15 (15 October 2026)

Cobb Threshold Days by Year

6 fixed thresholds counted per year at Cobb (USC00151663): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cobb Thresholds

  • Cobb: days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 2009 with 55.
  • Cobb: days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1982 with 22.
  • Cobb: days with 50 mm (1.97 in) or more of precipitation in 43 years, most in 1975 with 7.
  • Cobb: days with 10 cm (3.9 in) or more of snowfall in 9 years, most in 1985 with 5.
  • 6 fixed thresholds have at least one qualifying day at Cobb.
47 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Cobb Days per year at Cobb with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 2009. 02040601958: 351959: 471960: 311961: 491962: 441963: 231964: 411965: 271966: 431967: 441968: 351969: 411970: 381971: 391972: 491973: 431974: 411975: 511976: 361977: 401978: 381979: 421980: 311981: 391982: 431983: 411984: 441985: 411986: 261987: 231992: 351993: 441994: 421995: 361996: 471997: 331998: 381999: 352000: 352001: 492002: 512004: 482005: 432006: 502007: 402008: 392009: 551958196319681973197819831992199720022008
Days per year at Cobb with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 2009.
Days with 10 mm (0.39 in) or more of precipitation per year at Cobb
YearDaysDecade average
19583541
19594741
19603137.8
19614937.8
19624437.8
19632337.8
19644137.8
19652737.8
19664337.8
19674437.8
19683537.8
19694137.8
19703841.7
19713941.7
19724941.7
19734341.7
19744141.7
19755141.7
19763641.7
19774041.7
19783841.7
19794241.7
19803136
19813936
19824336
19834136
19844436
19854136
19862636
19872336
19923538.8
19934438.8
19944238.8
19953638.8
19964738.8
19973338.8
19983838.8
19993538.8
20003545.6
20014945.6
20025145.6
20044845.6
20054345.6
20065045.6
20074045.6
20083945.6
20095545.6
First to last qualifying date each year at Cobb For each year, a bar from the first to the last day at Cobb meeting 10 mm (0.39 in). 1958: 14 January 1958 to 24 December 19581959: 1 January 1959 to 28 December 19591960: 15 January 1960 to 30 December 19601961: 14 January 1961 to 18 December 19611962: 6 January 1962 to 29 December 19621963: 6 January 1963 to 12 December 19631964: 6 January 1964 to 12 December 19641965: 8 January 1965 to 7 October 19651966: 1 January 1966 to 28 December 19661967: 26 January 1967 to 22 December 19671968: 14 January 1968 to 28 December 19681969: 18 January 1969 to 31 December 19691970: 2 February 1970 to 22 December 19701971: 4 January 1971 to 30 December 19711972: 4 January 1972 to 31 December 19721973: 4 January 1973 to 27 December 19731974: 9 January 1974 to 29 December 19741975: 3 January 1975 to 26 December 19751976: 2 January 1976 to 27 November 19761977: 5 January 1977 to 14 December 19771978: 8 January 1978 to 31 December 19781979: 1 January 1979 to 28 November 19791980: 11 January 1980 to 9 December 19801981: 30 January 1981 to 23 December 19811982: 3 January 1982 to 28 December 19821983: 22 January 1983 to 14 December 19831984: 10 January 1984 to 30 December 19841985: 31 January 1985 to 1 December 19851986: 20 January 1986 to 24 December 19861987: 18 January 1987 to 28 December 19871992: 9 January 1992 to 28 December 19921993: 5 January 1993 to 5 December 19931994: 17 January 1994 to 17 December 19941995: 7 January 1995 to 18 December 19951996: 8 January 1996 to 24 December 19961997: 16 January 1997 to 24 December 19971998: 8 January 1998 to 31 December 19981999: 9 January 1999 to 14 December 19992000: 3 January 2000 to 16 December 20002001: 19 January 2001 to 23 December 20012002: 23 January 2002 to 25 December 20022004: 2 January 2004 to 22 December 20042005: 6 January 2005 to 25 December 20052006: 10 January 2006 to 26 December 20062007: 5 January 2007 to 16 December 20072008: 9 January 2008 to 28 December 20082009: 10 January 2009 to 25 December 200919581964197019761982199219982005JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Cobb meeting 10 mm (0.39 in).
First to last qualifying date each year at Cobb
YearFirst dateLast date
19581958-01-141958-12-24
19591959-01-011959-12-28
19601960-01-151960-12-30
19611961-01-141961-12-18
19621962-01-061962-12-29
19631963-01-061963-12-12
19641964-01-061964-12-12
19651965-01-081965-10-07
19661966-01-011966-12-28
19671967-01-261967-12-22
19681968-01-141968-12-28
19691969-01-181969-12-31
19701970-02-021970-12-22
19711971-01-041971-12-30
19721972-01-041972-12-31
19731973-01-041973-12-27
19741974-01-091974-12-29
19751975-01-031975-12-26
19761976-01-021976-11-27
19771977-01-051977-12-14
19781978-01-081978-12-31
19791979-01-011979-11-28
19801980-01-111980-12-09
19811981-01-301981-12-23
19821982-01-031982-12-28
19831983-01-221983-12-14
19841984-01-101984-12-30
19851985-01-311985-12-01
19861986-01-201986-12-24
19871987-01-181987-12-28
19921992-01-091992-12-28
19931993-01-051993-12-05
19941994-01-171994-12-17
19951995-01-071995-12-18
19961996-01-081996-12-24
19971997-01-161997-12-24
19981998-01-081998-12-31
19991999-01-091999-12-14
20002000-01-032000-12-16
20012001-01-192001-12-23
20022002-01-232002-12-25
20042004-01-022004-12-22
20052005-01-062005-12-25
20062006-01-102006-12-26
20072007-01-052007-12-16
20082008-01-092008-12-28
20092009-01-102009-12-25

Every Fixed Threshold

Fixed thresholds at Cobb
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4755200955
25 mm (0.98 in): Days with 25 mm or more rain4722198220
50 mm (1.97 in): Days with 50 mm or more rain43719754
100 mm (3.94 in): Days with 100 mm or more rain5219641
10 cm (3.9 in): Days with 10 cm or more snowfall9519851
25 cm (9.8 in): Days with 25 cm or more snowfall1119851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Cobb 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

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