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Built 2026-10-19 (19 October 2026)

Hawthorne Threshold Days by Year (USC00053850)

7 fixed thresholds counted per year at Hawthorne (USC00053850): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hawthorne Thresholds

  • Hawthorne: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1915 with 29.
  • Hawthorne: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1942 with 9.
  • Hawthorne: days with 10 cm (3.9 in) or more of snowfall in 47 years, most in 1951 with 14.
  • Hawthorne: days with 25 cm (9.8 in) or more of snowfall in 37 years, most in 1959 with 5.
  • 7 fixed thresholds have at least one qualifying day at Hawthorne.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Hawthorne Days per year at Hawthorne with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1915. 01020301909: 151910: 131912: 181913: 181914: 161915: 291923: 271925: 131926: 211927: 171928: 221932: 111933: 201934: 151935: 161936: 221937: 151938: 231939: 121940: 181941: 201942: 211943: 131944: 121945: 201946: 121947: 181948: 141949: 161950: 91951: 211952: 121953: 141954: 81955: 141956: 111957: 191958: 171959: 211960: 141961: 181962: 81963: 91964: 91965: 191966: 71967: 171968: 101969: 181970: 121974: 101975: 17190919231933193919451951195719631969
Days per year at Hawthorne with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 29 in 1915.
Days with 10 mm (0.39 in) or more of precipitation per year at Hawthorne
YearDaysDecade average
19091515
19101318.8
19121818.8
19131818.8
19141618.8
19152918.8
19232720
19251320
19262120
19271720
19282220
19321116.8
19332016.8
19341516.8
19351616.8
19362216.8
19371516.8
19382316.8
19391216.8
19401816.4
19412016.4
19422116.4
19431316.4
19441216.4
19452016.4
19461216.4
19471816.4
19481416.4
19491616.4
1950914.6
19512114.6
19521214.6
19531414.6
1954814.6
19551414.6
19561114.6
19571914.6
19581714.6
19592114.6
19601412.9
19611812.9
1962812.9
1963912.9
1964912.9
19651912.9
1966712.9
19671712.9
19681012.9
19691812.9
19701213
19741013
19751713
First to last qualifying date each year at Hawthorne For each year, a bar from the first to the last day at Hawthorne meeting 10 mm (0.39 in). 1909: 22 February 1909 to 3 December 19091910: 21 April 1910 to 19 October 19101912: 28 January 1912 to 4 December 19121913: 25 March 1913 to 19 December 19131914: 2 March 1914 to 23 October 19141915: 5 January 1915 to 26 December 19151923: 6 February 1923 to 9 December 19231925: 3 April 1925 to 14 December 19251926: 17 February 1926 to 23 December 19261927: 10 March 1927 to 29 November 19271928: 13 February 1928 to 28 November 19281932: 3 February 1932 to 24 October 19321933: 18 March 1933 to 2 December 19331934: 10 February 1934 to 18 December 19341935: 24 February 1935 to 4 November 19351936: 23 March 1936 to 25 October 19361937: 13 March 1937 to 13 December 19371938: 15 February 1938 to 16 December 19381939: 9 January 1939 to 29 October 19391940: 6 January 1940 to 10 November 19401941: 21 January 1941 to 23 December 19411942: 29 January 1942 to 26 December 19421943: 1 March 1943 to 9 December 19431944: 7 January 1944 to 9 December 19441945: 27 January 1945 to 1 December 19451946: 11 January 1946 to 9 November 19461947: 12 March 1947 to 30 December 19471948: 24 January 1948 to 11 November 19481949: 2 January 1949 to 8 July 19491950: 15 April 1950 to 9 November 19501951: 12 February 1951 to 30 December 19511952: 21 March 1952 to 23 August 19521953: 9 February 1953 to 3 December 19531954: 1 March 1954 to 27 December 19541955: 3 February 1955 to 23 October 19551956: 8 February 1956 to 19 November 19561957: 28 February 1957 to 2 November 19571958: 19 January 1958 to 28 December 19581959: 15 January 1959 to 25 November 19591960: 14 January 1960 to 27 December 19601961: 26 February 1961 to 12 November 19611962: 8 January 1962 to 6 October 19621963: 3 March 1963 to 20 September 19631964: 25 February 1964 to 14 November 19641965: 30 January 1965 to 14 December 19651966: 8 February 1966 to 9 November 19661967: 19 February 1967 to 27 December 19671968: 12 February 1968 to 28 November 19681969: 7 March 1969 to 17 November 19691970: 25 March 1970 to 13 November 19701974: 18 January 1974 to 3 November 19741975: 21 January 1975 to 25 November 197519091925193519421949195619631970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Hawthorne meeting 10 mm (0.39 in).
First to last qualifying date each year at Hawthorne
YearFirst dateLast date
19091909-02-221909-12-03
19101910-04-211910-10-19
19121912-01-281912-12-04
19131913-03-251913-12-19
19141914-03-021914-10-23
19151915-01-051915-12-26
19231923-02-061923-12-09
19251925-04-031925-12-14
19261926-02-171926-12-23
19271927-03-101927-11-29
19281928-02-131928-11-28
19321932-02-031932-10-24
19331933-03-181933-12-02
19341934-02-101934-12-18
19351935-02-241935-11-04
19361936-03-231936-10-25
19371937-03-131937-12-13
19381938-02-151938-12-16
19391939-01-091939-10-29
19401940-01-061940-11-10
19411941-01-211941-12-23
19421942-01-291942-12-26
19431943-03-011943-12-09
19441944-01-071944-12-09
19451945-01-271945-12-01
19461946-01-111946-11-09
19471947-03-121947-12-30
19481948-01-241948-11-11
19491949-01-021949-07-08
19501950-04-151950-11-09
19511951-02-121951-12-30
19521952-03-211952-08-23
19531953-02-091953-12-03
19541954-03-011954-12-27
19551955-02-031955-10-23
19561956-02-081956-11-19
19571957-02-281957-11-02
19581958-01-191958-12-28
19591959-01-151959-11-25
19601960-01-141960-12-27
19611961-02-261961-11-12
19621962-01-081962-10-06
19631963-03-031963-09-20
19641964-02-251964-11-14
19651965-01-301965-12-14
19661966-02-081966-11-09
19671967-02-191967-12-27
19681968-02-121968-11-28
19691969-03-071969-11-17
19701970-03-251970-11-13
19741974-01-181974-11-03
19751975-01-211975-11-25

Every Fixed Threshold

Fixed thresholds at Hawthorne
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5229191517
25 mm (0.98 in): Days with 25 mm or more rain51919424
50 mm (1.97 in): Days with 50 mm or more rain27319421
100 mm (3.94 in): Days with 100 mm or more rain2119381
10 cm (3.9 in): Days with 10 cm or more snowfall4714195112
25 cm (9.8 in): Days with 25 cm or more snowfall37519592
50 cm (19.7 in): Days with 50 cm or more snowfall4119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Hawthorne 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).