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Built 2026-10-19 (19 October 2026)

Haslam Threshold Days by Year (ASN00018118)

4 fixed thresholds counted per year at Haslam (ASN00018118): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haslam Thresholds

  • Haslam: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1979 with 14.
  • Haslam: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1968 with 3.
  • Haslam: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1974 with 1.
  • Haslam: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1995 with 1.
  • 4 fixed thresholds have at least one qualifying day at Haslam.
56 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Haslam Days per year at Haslam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1979. 0510151929: 61930: 41931: 91932: 111968: 121969: 51970: 21971: 111972: 51973: 111974: 121975: 71976: 61977: 31978: 121979: 141980: 81981: 81982: 61983: 111984: 51985: 31986: 81987: 71988: 41989: 51990: 91991: 71992: 111993: 61994: 21995: 91996: 51997: 101998: 91999: 72000: 72001: 52002: 62003: 72004: 62005: 72006: 82007: 62008: 72009: 62010: 132011: 132012: 32013: 52014: 72015: 42016: 112017: 72018: 82020: 61929197019761982198819942000200620122018
Days per year at Haslam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1979.
Days with 10 mm (0.39 in) or more of precipitation per year at Haslam
YearDaysDecade average
192966
193048
193198
1932118
1968128.5
196958.5
197028.3
1971118.3
197258.3
1973118.3
1974128.3
197578.3
197668.3
197738.3
1978128.3
1979148.3
198086.5
198186.5
198266.5
1983116.5
198456.5
198536.5
198686.5
198776.5
198846.5
198956.5
199097.5
199177.5
1992117.5
199367.5
199427.5
199597.5
199657.5
1997107.5
199897.5
199977.5
200076.5
200156.5
200266.5
200376.5
200466.5
200576.5
200686.5
200766.5
200876.5
200966.5
2010137.9
2011137.9
201237.9
201357.9
201477.9
201547.9
2016117.9
201777.9
201887.9
202066
First to last qualifying date each year at Haslam For each year, a bar from the first to the last day at Haslam meeting 10 mm (0.39 in). 1929: 21 May 1929 to 16 November 19291930: 7 May 1930 to 10 October 19301931: 31 March 1931 to 7 November 19311932: 5 February 1932 to 14 September 19321968: 18 January 1968 to 20 August 19681969: 8 February 1969 to 13 September 19691970: 10 May 1970 to 23 August 19701971: 14 March 1971 to 10 December 19711972: 29 June 1972 to 15 August 19721973: 18 March 1973 to 30 December 19731974: 29 January 1974 to 20 November 19741975: 7 January 1975 to 19 November 19751976: 7 February 1976 to 3 November 19761977: 13 February 1977 to 1 December 19771978: 17 January 1978 to 26 September 19781979: 17 April 1979 to 14 November 19791980: 11 May 1980 to 2 December 19801981: 14 February 1981 to 2 July 19811982: 14 February 1982 to 29 December 19821983: 11 February 1983 to 2 September 19831984: 18 May 1984 to 20 August 19841985: 6 August 1985 to 22 August 19851986: 9 May 1986 to 6 December 19861987: 21 January 1987 to 16 October 19871988: 14 January 1988 to 10 December 19881989: 14 March 1989 to 1 December 19891990: 16 February 1990 to 7 December 19901991: 14 April 1991 to 11 November 19911992: 11 February 1992 to 16 December 19921993: 21 January 1993 to 3 October 19931994: 31 May 1994 to 30 July 19941995: 14 January 1995 to 14 September 19951996: 17 June 1996 to 30 September 19961997: 3 May 1997 to 7 December 19971998: 7 February 1998 to 5 September 19981999: 23 May 1999 to 5 November 19992000: 25 January 2000 to 18 October 20002001: 25 January 2001 to 6 December 20012002: 16 June 2002 to 31 December 20022003: 30 January 2003 to 18 November 20032004: 29 March 2004 to 4 November 20042005: 14 May 2005 to 25 September 20052006: 1 January 2006 to 22 December 20062007: 20 March 2007 to 21 December 20072008: 20 February 2008 to 12 December 20082009: 15 June 2009 to 17 September 20092010: 11 January 2010 to 7 December 20102011: 11 February 2011 to 9 December 20112012: 24 May 2012 to 21 June 20122013: 27 February 2013 to 7 November 20132014: 24 January 2014 to 9 July 20142015: 8 January 2015 to 21 August 20152016: 2 February 2016 to 27 December 20162017: 9 January 2017 to 7 October 20172018: 30 January 2018 to 28 October 20182020: 24 March 2020 to 5 October 202019291971197819851992199920062013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haslam meeting 10 mm (0.39 in).
First to last qualifying date each year at Haslam
YearFirst dateLast date
19291929-05-211929-11-16
19301930-05-071930-10-10
19311931-03-311931-11-07
19321932-02-051932-09-14
19681968-01-181968-08-20
19691969-02-081969-09-13
19701970-05-101970-08-23
19711971-03-141971-12-10
19721972-06-291972-08-15
19731973-03-181973-12-30
19741974-01-291974-11-20
19751975-01-071975-11-19
19761976-02-071976-11-03
19771977-02-131977-12-01
19781978-01-171978-09-26
19791979-04-171979-11-14
19801980-05-111980-12-02
19811981-02-141981-07-02
19821982-02-141982-12-29
19831983-02-111983-09-02
19841984-05-181984-08-20
19851985-08-061985-08-22
19861986-05-091986-12-06
19871987-01-211987-10-16
19881988-01-141988-12-10
19891989-03-141989-12-01
19901990-02-161990-12-07
19911991-04-141991-11-11
19921992-02-111992-12-16
19931993-01-211993-10-03
19941994-05-311994-07-30
19951995-01-141995-09-14
19961996-06-171996-09-30
19971997-05-031997-12-07
19981998-02-071998-09-05
19991999-05-231999-11-05
20002000-01-252000-10-18
20012001-01-252001-12-06
20022002-06-162002-12-31
20032003-01-302003-11-18
20042004-03-292004-11-04
20052005-05-142005-09-25
20062006-01-012006-12-22
20072007-03-202007-12-21
20082008-02-202008-12-12
20092009-06-152009-09-17
20102010-01-112010-12-07
20112011-02-112011-12-09
20122012-05-242012-06-21
20132013-02-272013-11-07
20142014-01-242014-07-09
20152015-01-082015-08-21
20162016-02-022016-12-27
20172017-01-092017-10-07
20182018-01-302018-10-28
20202020-03-242020-10-05

Every Fixed Threshold

Fixed thresholds at Haslam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain561419796
25 mm (0.98 in): Days with 25 mm or more rain33319681
50 mm (1.97 in): Days with 50 mm or more rain4119741
100 mm (3.94 in): Days with 100 mm or more rain1119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

  • Data for Haslam 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).