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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Chapman East Threshold Days by Year

3 fixed thresholds counted per year at Chapman East (ASN00008030): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chapman East Thresholds

  • Chapman East: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1921 with 25.
  • Chapman East: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1917 with 13.
  • Chapman East: days with 50 mm (1.97 in) or more of precipitation in 8 years, most in 1917 with 3.
  • 3 fixed thresholds have at least one qualifying day at Chapman East.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Chapman East Days per year at Chapman East with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1921. 01020301916: 151917: 231918: 191919: 161920: 161921: 251922: 61923: 171924: 131925: 161926: 191927: 211928: 131929: 151930: 171931: 211932: 181933: 241934: 201935: 131936: 101937: 91938: 141939: 241940: 111941: 131942: 151943: 131944: 151916191919221925192819311934193719401943
Days per year at Chapman East with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Chapman East
YearDaysDecade average
19161518.3
19172318.3
19181918.3
19191618.3
19201616.1
19212516.1
1922616.1
19231716.1
19241316.1
19251616.1
19261916.1
19272116.1
19281316.1
19291516.1
19301717
19312117
19321817
19332417
19342017
19351317
19361017
1937917
19381417
19392417
19401113.4
19411313.4
19421513.4
19431313.4
19441513.4
First to last qualifying date each year at Chapman East For each year, a bar from the first to the last day at Chapman East meeting 10 mm (0.39 in). 1916: 20 January 1916 to 5 October 19161917: 17 March 1917 to 1 October 19171918: 23 February 1918 to 28 October 19181919: 17 April 1919 to 19 November 19191920: 12 March 1920 to 11 September 19201921: 19 February 1921 to 29 December 19211922: 29 May 1922 to 25 September 19221923: 18 January 1923 to 7 August 19231924: 18 March 1924 to 8 September 19241925: 21 May 1925 to 26 December 19251926: 16 April 1926 to 19 November 19261927: 12 March 1927 to 19 September 19271928: 23 May 1928 to 21 October 19281929: 10 May 1929 to 15 November 19291930: 9 May 1930 to 18 October 19301931: 13 April 1931 to 6 October 19311932: 13 April 1932 to 29 October 19321933: 7 March 1933 to 30 November 19331934: 8 March 1934 to 31 August 19341935: 5 January 1935 to 3 September 19351936: 19 April 1936 to 30 September 19361937: 14 May 1937 to 27 August 19371938: 15 March 1938 to 29 December 19381939: 13 February 1939 to 10 November 19391940: 14 May 1940 to 4 December 19401941: 4 April 1941 to 20 September 19411942: 14 April 1942 to 17 July 19421943: 31 January 1943 to 7 December 19431944: 14 March 1944 to 26 August 194419161920192419281932193619401944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chapman East meeting 10 mm (0.39 in).
First to last qualifying date each year at Chapman East
YearFirst dateLast date
19161916-01-201916-10-05
19171917-03-171917-10-01
19181918-02-231918-10-28
19191919-04-171919-11-19
19201920-03-121920-09-11
19211921-02-191921-12-29
19221922-05-291922-09-25
19231923-01-181923-08-07
19241924-03-181924-09-08
19251925-05-211925-12-26
19261926-04-161926-11-19
19271927-03-121927-09-19
19281928-05-231928-10-21
19291929-05-101929-11-15
19301930-05-091930-10-18
19311931-04-131931-10-06
19321932-04-131932-10-29
19331933-03-071933-11-30
19341934-03-081934-08-31
19351935-01-051935-09-03
19361936-04-191936-09-30
19371937-05-141937-08-27
19381938-03-151938-12-29
19391939-02-131939-11-10
19401940-05-141940-12-04
19411941-04-041941-09-20
19421942-04-141942-07-17
19431943-01-311943-12-07
19441944-03-141944-08-26

Every Fixed Threshold

Fixed thresholds at Chapman East
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2925192115
25 mm (0.98 in): Days with 25 mm or more rain281319173
50 mm (1.97 in): Days with 50 mm or more rain8319171

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 Chapman East 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).