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Built 2026-10-19 (19 October 2026)

Haslam 2 Threshold Days by Year (ASN00018119)

3 fixed thresholds counted per year at Haslam 2 (ASN00018119): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Haslam 2 Thresholds

  • Haslam 2: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1942 with 15.
  • Haslam 2: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1938 with 3.
  • Haslam 2: days with 50 mm (1.97 in) or more of precipitation in 2 years, most in 1938 with 1.
  • 3 fixed thresholds have at least one qualifying day at Haslam 2.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Haslam 2 Days per year at Haslam 2 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1942. 0510151930: 21931: 41932: 101933: 71934: 31935: 121936: 31937: 81938: 91939: 101940: 81941: 91942: 151943: 81944: 21945: 61946: 101947: 81948: 31949: 111950: 81951: 81952: 61953: 111954: 81955: 101956: 121957: 61958: 101959: 31960: 91961: 41962: 51963: 81964: 81965: 41966: 91930193419381942194619501954195819621966
Days per year at Haslam 2 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1942.
Days with 10 mm (0.39 in) or more of precipitation per year at Haslam 2
YearDaysDecade average
193026.8
193146.8
1932106.8
193376.8
193436.8
1935126.8
193636.8
193786.8
193896.8
1939106.8
194088
194198
1942158
194388
194428
194568
1946108
194788
194838
1949118
195088.2
195188.2
195268.2
1953118.2
195488.2
1955108.2
1956128.2
195768.2
1958108.2
195938.2
196096.7
196146.7
196256.7
196386.7
196486.7
196546.7
196696.7
First to last qualifying date each year at Haslam 2 For each year, a bar from the first to the last day at Haslam 2 meeting 10 mm (0.39 in). 1930: 7 May 1930 to 9 October 19301931: 31 March 1931 to 11 July 19311932: 4 February 1932 to 13 September 19321933: 17 January 1933 to 31 August 19331934: 4 July 1934 to 6 November 19341935: 20 March 1935 to 20 October 19351936: 31 May 1936 to 22 December 19361937: 14 February 1937 to 31 December 19371938: 18 February 1938 to 27 December 19381939: 15 January 1939 to 31 October 19391940: 4 January 1940 to 29 July 19401941: 24 January 1941 to 18 November 19411942: 30 January 1942 to 23 December 19421943: 17 February 1943 to 16 October 19431944: 7 April 1944 to 4 July 19441945: 9 May 1945 to 25 December 19451946: 17 January 1946 to 24 December 19461947: 12 March 1947 to 19 October 19471948: 19 August 1948 to 3 November 19481949: 26 February 1949 to 8 November 19491950: 1 February 1950 to 19 December 19501951: 12 May 1951 to 19 August 19511952: 6 January 1952 to 25 November 19521953: 4 January 1953 to 30 December 19531954: 27 January 1954 to 11 December 19541955: 8 February 1955 to 4 November 19551956: 4 March 1956 to 14 October 19561957: 18 June 1957 to 28 December 19571958: 6 March 1958 to 14 December 19581959: 14 February 1959 to 3 December 19591960: 16 February 1960 to 31 December 19601961: 8 February 1961 to 15 November 19611962: 27 March 1962 to 17 October 19621963: 27 April 1963 to 12 September 19631964: 1 February 1964 to 18 November 19641965: 12 July 1965 to 17 August 19651966: 15 March 1966 to 2 December 196619301935194019451950195519601965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Haslam 2 meeting 10 mm (0.39 in).
First to last qualifying date each year at Haslam 2
YearFirst dateLast date
19301930-05-071930-10-09
19311931-03-311931-07-11
19321932-02-041932-09-13
19331933-01-171933-08-31
19341934-07-041934-11-06
19351935-03-201935-10-20
19361936-05-311936-12-22
19371937-02-141937-12-31
19381938-02-181938-12-27
19391939-01-151939-10-31
19401940-01-041940-07-29
19411941-01-241941-11-18
19421942-01-301942-12-23
19431943-02-171943-10-16
19441944-04-071944-07-04
19451945-05-091945-12-25
19461946-01-171946-12-24
19471947-03-121947-10-19
19481948-08-191948-11-03
19491949-02-261949-11-08
19501950-02-011950-12-19
19511951-05-121951-08-19
19521952-01-061952-11-25
19531953-01-041953-12-30
19541954-01-271954-12-11
19551955-02-081955-11-04
19561956-03-041956-10-14
19571957-06-181957-12-28
19581958-03-061958-12-14
19591959-02-141959-12-03
19601960-02-161960-12-31
19611961-02-081961-11-15
19621962-03-271962-10-17
19631963-04-271963-09-12
19641964-02-011964-11-18
19651965-07-121965-08-17
19661966-03-151966-12-02

Every Fixed Threshold

Fixed thresholds at Haslam 2
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain371519429
25 mm (0.98 in): Days with 25 mm or more rain23319382
50 mm (1.97 in): Days with 50 mm or more rain2119381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1930.

Download the Data

  • Data for Haslam 2 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).