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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Grove Farm 1021 Threshold Days by Year

5 fixed thresholds counted per year at Grove Farm 1021 (USC00510766): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grove Farm 1021 Thresholds

  • Grove Farm 1021: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1918 with 41.
  • Grove Farm 1021: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1916 with 20.
  • Grove Farm 1021: days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1921 with 8.
  • Grove Farm 1021: days with 100 mm (3.94 in) or more of precipitation in 18 years, most in 1942 with 4.
  • 5 fixed thresholds have at least one qualifying day at Grove Farm 1021.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Grove Farm 1021 Days per year at Grove Farm 1021 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1918. 02040601905: 231906: 261908: 201909: 291910: 191911: 251912: 111913: 331914: 281915: 281916: 391917: 381918: 411919: 251920: 391921: 341922: 221923: 371924: 231939: 371940: 261942: 401943: 291944: 271945: 241946: 271947: 261948: 361949: 211905190919121915191819211924194219451948
Days per year at Grove Farm 1021 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1918.
Days with 10 mm (0.39 in) or more of precipitation per year at Grove Farm 1021
YearDaysDecade average
19052324.5
19062624.5
19082024.5
19092924.5
19101928.7
19112528.7
19121128.7
19133328.7
19142828.7
19152828.7
19163928.7
19173828.7
19184128.7
19192528.7
19203931
19213431
19222231
19233731
19242331
19393737
19402628.4
19424028.4
19432928.4
19442728.4
19452428.4
19462728.4
19472628.4
19483628.4
19492128.4
First to last qualifying date each year at Grove Farm 1021 For each year, a bar from the first to the last day at Grove Farm 1021 meeting 10 mm (0.39 in). 1905: 10 February 1905 to 12 December 19051906: 19 January 1906 to 31 December 19061908: 8 February 1908 to 27 October 19081909: 9 January 1909 to 29 December 19091910: 6 January 1910 to 30 December 19101911: 7 January 1911 to 11 December 19111912: 21 January 1912 to 22 December 19121913: 7 January 1913 to 4 December 19131914: 7 January 1914 to 19 December 19141915: 5 April 1915 to 28 December 19151916: 2 January 1916 to 29 December 19161917: 5 January 1917 to 5 December 19171918: 8 January 1918 to 29 December 19181919: 12 January 1919 to 10 December 19191920: 2 January 1920 to 24 December 19201921: 4 January 1921 to 25 December 19211922: 20 January 1922 to 28 November 19221923: 2 January 1923 to 30 December 19231924: 1 January 1924 to 18 December 19241939: 8 January 1939 to 29 December 19391940: 7 January 1940 to 28 December 19401942: 7 January 1942 to 29 December 19421943: 2 January 1943 to 27 December 19431944: 2 January 1944 to 28 December 19441945: 1 April 1945 to 11 December 19451946: 29 January 1946 to 24 December 19461947: 16 January 1947 to 16 December 19471948: 8 January 1948 to 21 December 19481949: 6 January 1949 to 19 December 194919051910191419181922194019451949JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grove Farm 1021 meeting 10 mm (0.39 in).
First to last qualifying date each year at Grove Farm 1021
YearFirst dateLast date
19051905-02-101905-12-12
19061906-01-191906-12-31
19081908-02-081908-10-27
19091909-01-091909-12-29
19101910-01-061910-12-30
19111911-01-071911-12-11
19121912-01-211912-12-22
19131913-01-071913-12-04
19141914-01-071914-12-19
19151915-04-051915-12-28
19161916-01-021916-12-29
19171917-01-051917-12-05
19181918-01-081918-12-29
19191919-01-121919-12-10
19201920-01-021920-12-24
19211921-01-041921-12-25
19221922-01-201922-11-28
19231923-01-021923-12-30
19241924-01-011924-12-18
19391939-01-081939-12-29
19401940-01-071940-12-28
19421942-01-071942-12-29
19431943-01-021943-12-27
19441944-01-021944-12-28
19451945-04-011945-12-11
19461946-01-291946-12-24
19471947-01-161947-12-16
19481948-01-081948-12-21
19491949-01-061949-12-19

Every Fixed Threshold

Fixed thresholds at Grove Farm 1021
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2941191821
25 mm (0.98 in): Days with 25 mm or more rain2920191612
50 mm (1.97 in): Days with 50 mm or more rain27819214
100 mm (3.94 in): Days with 100 mm or more rain18419422
200 mm (7.87 in): Days with 200 mm or more rain3119101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Grove Farm 1021 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).