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Built 2026-10-18 (18 October 2026)

Hillman Threshold Days by Year

4 fixed thresholds counted per year at Hillman (ASN00009859): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hillman Thresholds

  • Hillman: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1974 with 29.
  • Hillman: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1917 with 8.
  • Hillman: days with 50 mm (1.97 in) or more of precipitation in 6 years, most in 1971 with 2.
  • Hillman: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1982 with 1.
  • 4 fixed thresholds have at least one qualifying day at Hillman.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hillman Days per year at Hillman with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1974. 01020301916: 191917: 281918: 141919: 111920: 91922: 151923: 261924: 171925: 121926: 271927: 191928: 171929: 171930: 181931: 161932: 221933: 191935: 191937: 161943: 211945: 191946: 251957: 141958: 151959: 161960: 191961: 211962: 131963: 151968: 191969: 151970: 181971: 141972: 121973: 241974: 291978: 151982: 101984: 151985: 101916192019251929193319451959196319711978
Days per year at Hillman with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Hillman
YearDaysDecade average
19161918
19172818
19181418
19191118
1920917.7
19221517.7
19232617.7
19241717.7
19251217.7
19262717.7
19271917.7
19281717.7
19291717.7
19301818.3
19311618.3
19322218.3
19331918.3
19351918.3
19371618.3
19432121.7
19451921.7
19462521.7
19571415
19581515
19591615
19601917
19612117
19621317
19631517
19681917
19691517
19701818.7
19711418.7
19721218.7
19732418.7
19742918.7
19781518.7
19821011.7
19841511.7
19851011.7
First to last qualifying date each year at Hillman For each year, a bar from the first to the last day at Hillman meeting 10 mm (0.39 in). 1916: 14 February 1916 to 9 November 19161917: 9 February 1917 to 30 September 19171918: 25 January 1918 to 21 October 19181919: 16 April 1919 to 15 October 19191920: 9 April 1920 to 29 August 19201922: 13 May 1922 to 7 December 19221923: 19 January 1923 to 2 October 19231924: 14 May 1924 to 2 November 19241925: 27 February 1925 to 11 October 19251926: 10 March 1926 to 21 October 19261927: 12 March 1927 to 7 October 19271928: 19 April 1928 to 29 September 19281929: 2 May 1929 to 14 November 19291930: 14 April 1930 to 28 September 19301931: 5 March 1931 to 7 September 19311932: 20 January 1932 to 28 October 19321933: 16 January 1933 to 15 October 19331935: 1 February 1935 to 21 October 19351937: 4 March 1937 to 24 November 19371943: 31 January 1943 to 8 December 19431945: 15 May 1945 to 10 September 19451946: 6 April 1946 to 21 November 19461957: 19 March 1957 to 28 August 19571958: 14 February 1958 to 22 December 19581959: 9 February 1959 to 31 December 19591960: 1 January 1960 to 29 November 19601961: 26 January 1961 to 18 October 19611962: 2 January 1962 to 19 November 19621963: 16 March 1963 to 31 October 19631968: 27 January 1968 to 28 October 19681969: 20 March 1969 to 4 November 19691970: 9 February 1970 to 3 October 19701971: 1 February 1971 to 23 November 19711972: 20 April 1972 to 9 October 19721973: 8 January 1973 to 23 October 19731974: 4 February 1974 to 18 November 19741978: 15 May 1978 to 18 December 19781982: 20 January 1982 to 16 September 19821984: 3 January 1984 to 15 November 19841985: 9 April 1985 to 18 October 198519161922192719321945196019691974JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hillman meeting 10 mm (0.39 in).
First to last qualifying date each year at Hillman
YearFirst dateLast date
19161916-02-141916-11-09
19171917-02-091917-09-30
19181918-01-251918-10-21
19191919-04-161919-10-15
19201920-04-091920-08-29
19221922-05-131922-12-07
19231923-01-191923-10-02
19241924-05-141924-11-02
19251925-02-271925-10-11
19261926-03-101926-10-21
19271927-03-121927-10-07
19281928-04-191928-09-29
19291929-05-021929-11-14
19301930-04-141930-09-28
19311931-03-051931-09-07
19321932-01-201932-10-28
19331933-01-161933-10-15
19351935-02-011935-10-21
19371937-03-041937-11-24
19431943-01-311943-12-08
19451945-05-151945-09-10
19461946-04-061946-11-21
19571957-03-191957-08-28
19581958-02-141958-12-22
19591959-02-091959-12-31
19601960-01-011960-11-29
19611961-01-261961-10-18
19621962-01-021962-11-19
19631963-03-161963-10-31
19681968-01-271968-10-28
19691969-03-201969-11-04
19701970-02-091970-10-03
19711971-02-011971-11-23
19721972-04-201972-10-09
19731973-01-081973-10-23
19741974-02-041974-11-18
19781978-05-151978-12-18
19821982-01-201982-09-16
19841984-01-031984-11-15
19851985-04-091985-10-18

Every Fixed Threshold

Fixed thresholds at Hillman
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4029197410
25 mm (0.98 in): Days with 25 mm or more rain39819171
50 mm (1.97 in): Days with 50 mm or more rain6219712
100 mm (3.94 in): Days with 100 mm or more rain1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Hillman 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).