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Built 2026-10-19 (19 October 2026)

Atwood 8SSE Threshold Days by Year (USC00140441)

7 fixed thresholds counted per year at Atwood 8SSE (USC00140441): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Atwood 8SSE Thresholds

  • Atwood 8SSE: days with 10 mm (0.39 in) or more of precipitation in 49 years, most in 2009 with 27.
  • Atwood 8SSE: days with 25 mm (0.98 in) or more of precipitation in 49 years, most in 1965 with 12.
  • Atwood 8SSE: days with 10 cm (3.9 in) or more of snowfall in 36 years, most in 1973 with 6.
  • Atwood 8SSE: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1975 with 5.
  • 7 fixed thresholds have at least one qualifying day at Atwood 8SSE.
49 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Atwood 8SSE Days per year at Atwood 8SSE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 2009. 01020301965: 211966: 121967: 131968: 121969: 131970: 151971: 201972: 121973: 231974: 131975: 131976: 81977: 211978: 101979: 211980: 141981: 241985: 151986: 151987: 181988: 151989: 151990: 201991: 211992: 201993: 201994: 221995: 221996: 121997: 161998: 141999: 212000: 142001: 182003: 152004: 212005: 212006: 182007: 232008: 242009: 272010: 122011: 212012: 92013: 172014: 162015: 232016: 172017: 201965197019751980198819931998200420092014
Days per year at Atwood 8SSE with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 2009.
Days with 10 mm (0.39 in) or more of precipitation per year at Atwood 8SSE
YearDaysDecade average
19652114.2
19661214.2
19671314.2
19681214.2
19691314.2
19701515.6
19712015.6
19721215.6
19732315.6
19741315.6
19751315.6
1976815.6
19772115.6
19781015.6
19792115.6
19801416.6
19812416.6
19851516.6
19861516.6
19871816.6
19881516.6
19891516.6
19902018.8
19912118.8
19922018.8
19932018.8
19942218.8
19952218.8
19961218.8
19971618.8
19981418.8
19992118.8
20001420.1
20011820.1
20031520.1
20042120.1
20052120.1
20061820.1
20072320.1
20082420.1
20092720.1
20101216.9
20112116.9
2012916.9
20131716.9
20141616.9
20152316.9
20161716.9
20172016.9
First to last qualifying date each year at Atwood 8SSE For each year, a bar from the first to the last day at Atwood 8SSE meeting 10 mm (0.39 in). 1965: 23 January 1965 to 19 October 19651966: 16 January 1966 to 15 October 19661967: 13 April 1967 to 19 September 19671968: 20 April 1968 to 22 December 19681969: 7 May 1969 to 30 October 19691970: 16 March 1970 to 15 September 19701971: 3 January 1971 to 16 November 19711972: 26 April 1972 to 13 November 19721973: 27 January 1973 to 20 November 19731974: 4 April 1974 to 29 August 19741975: 13 May 1975 to 20 November 19751976: 8 April 1976 to 27 October 19761977: 11 March 1977 to 17 December 19771978: 9 April 1978 to 26 November 19781979: 22 March 1979 to 28 December 19791980: 8 February 1980 to 9 September 19801981: 30 January 1981 to 30 November 19811985: 4 February 1985 to 18 October 19851986: 8 April 1986 to 22 October 19861987: 9 January 1987 to 16 November 19871988: 19 January 1988 to 15 September 19881989: 9 April 1989 to 13 September 19891990: 20 January 1990 to 14 December 19901991: 22 April 1991 to 31 December 19911992: 1 January 1992 to 7 October 19921993: 7 April 1993 to 14 November 19931994: 9 April 1994 to 7 December 19941995: 27 January 1995 to 23 October 19951996: 29 April 1996 to 18 September 19961997: 24 February 1997 to 25 December 19971998: 7 March 1998 to 16 November 19981999: 8 March 1999 to 28 September 19992000: 23 February 2000 to 12 November 20002001: 28 January 2001 to 23 November 20012003: 18 March 2003 to 12 October 20032004: 29 February 2004 to 28 November 20042005: 21 March 2005 to 28 November 20052006: 20 March 2006 to 31 December 20062007: 21 January 2007 to 15 December 20072008: 5 February 2008 to 10 November 20082009: 12 April 2009 to 15 November 20092010: 9 March 2010 to 11 November 20102011: 19 April 2011 to 3 December 20112012: 4 February 2012 to 19 December 20122013: 21 February 2013 to 5 November 20132014: 31 January 2014 to 14 December 20142015: 3 April 2015 to 18 November 20152016: 2 February 2016 to 25 December 20162017: 15 January 2017 to 16 August 20171965197219791989199620042011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Atwood 8SSE meeting 10 mm (0.39 in).
First to last qualifying date each year at Atwood 8SSE
YearFirst dateLast date
19651965-01-231965-10-19
19661966-01-161966-10-15
19671967-04-131967-09-19
19681968-04-201968-12-22
19691969-05-071969-10-30
19701970-03-161970-09-15
19711971-01-031971-11-16
19721972-04-261972-11-13
19731973-01-271973-11-20
19741974-04-041974-08-29
19751975-05-131975-11-20
19761976-04-081976-10-27
19771977-03-111977-12-17
19781978-04-091978-11-26
19791979-03-221979-12-28
19801980-02-081980-09-09
19811981-01-301981-11-30
19851985-02-041985-10-18
19861986-04-081986-10-22
19871987-01-091987-11-16
19881988-01-191988-09-15
19891989-04-091989-09-13
19901990-01-201990-12-14
19911991-04-221991-12-31
19921992-01-011992-10-07
19931993-04-071993-11-14
19941994-04-091994-12-07
19951995-01-271995-10-23
19961996-04-291996-09-18
19971997-02-241997-12-25
19981998-03-071998-11-16
19991999-03-081999-09-28
20002000-02-232000-11-12
20012001-01-282001-11-23
20032003-03-182003-10-12
20042004-02-292004-11-28
20052005-03-212005-11-28
20062006-03-202006-12-31
20072007-01-212007-12-15
20082008-02-052008-11-10
20092009-04-122009-11-15
20102010-03-092010-11-11
20112011-04-192011-12-03
20122012-02-042012-12-19
20132013-02-212013-11-05
20142014-01-312014-12-14
20152015-04-032015-11-18
20162016-02-022016-12-25
20172017-01-152017-08-16

Every Fixed Threshold

Fixed thresholds at Atwood 8SSE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4927200920
25 mm (0.98 in): Days with 25 mm or more rain4912196510
50 mm (1.97 in): Days with 50 mm or more rain27519751
100 mm (3.94 in): Days with 100 mm or more rain4119771
10 cm (3.9 in): Days with 10 cm or more snowfall36619731
25 cm (9.8 in): Days with 25 cm or more snowfall9220131
50 cm (19.7 in): Days with 50 cm or more snowfall1120151

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Atwood 8SSE 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).