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Built 2026-10-18 (18 October 2026)

Proston Post Office Threshold Days by Year

5 fixed thresholds counted per year at Proston Post Office (ASN00040177): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Proston Post Office Thresholds

  • Proston Post Office: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 2010 with 35.
  • Proston Post Office: days with 25 mm (0.98 in) or more of precipitation in 66 years, most in 2010 with 18.
  • Proston Post Office: days with 50 mm (1.97 in) or more of precipitation in 45 years, most in 2010 with 7.
  • Proston Post Office: days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1956 with 2.
  • 5 fixed thresholds have at least one qualifying day at Proston Post Office.
67 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Proston Post Office Days per year at Proston Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 2010. 0102030401938: 311939: 241940: 221941: 181942: 251943: 251944: 231945: 231947: 301948: 181949: 251950: 261951: 101952: 191953: 231954: 251955: 211956: 281957: 101958: 171959: 281960: 131961: 171962: 251963: 161964: 171966: 191967: 211968: 251969: 121970: 211971: 211972: 141973: 301974: 151976: 191977: 91982: 161990: 131991: 151992: 231993: 191994: 141995: 221996: 311997: 171998: 281999: 222000: 172001: 202002: 142003: 112004: 192005: 182007: 262008: 192010: 352012: 192013: 172019: 72020: 192021: 232022: 222023: 152024: 222025: 192026: 121938194519531960196819761994200120102023
Days per year at Proston Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 2010.
Days with 10 mm (0.39 in) or more of precipitation per year at Proston Post Office
YearDaysDecade average
19383127.5
19392427.5
19402223.2
19411823.2
19422523.2
19432523.2
19442323.2
19452323.2
19473023.2
19481823.2
19492523.2
19502620.7
19511020.7
19521920.7
19532320.7
19542520.7
19552120.7
19562820.7
19571020.7
19581720.7
19592820.7
19601318.3
19611718.3
19622518.3
19631618.3
19641718.3
19661918.3
19672118.3
19682518.3
19691218.3
19702118.4
19712118.4
19721418.4
19733018.4
19741518.4
19761918.4
1977918.4
19821616
19901320.4
19911520.4
19922320.4
19931920.4
19941420.4
19952220.4
19963120.4
19971720.4
19982820.4
19992220.4
20001718
20012018
20021418
20031118
20041918
20051818
20072618
20081918
20103519.5
20121919.5
20131719.5
2019719.5
20201918.9
20212318.9
20222218.9
20231518.9
20242218.9
20251918.9
20261218.9
First to last qualifying date each year at Proston Post Office For each year, a bar from the first to the last day at Proston Post Office meeting 10 mm (0.39 in). 1938: 8 January 1938 to 28 November 19381939: 1 January 1939 to 28 December 19391940: 16 January 1940 to 3 December 19401941: 14 January 1941 to 26 November 19411942: 17 January 1942 to 31 December 19421943: 23 January 1943 to 29 December 19431944: 10 January 1944 to 22 December 19441945: 14 January 1945 to 19 December 19451947: 24 January 1947 to 21 December 19471948: 3 January 1948 to 31 December 19481949: 5 January 1949 to 17 December 19491950: 4 January 1950 to 16 December 19501951: 6 January 1951 to 14 December 19511952: 9 January 1952 to 24 December 19521953: 20 January 1953 to 28 December 19531954: 4 January 1954 to 14 December 19541955: 21 February 1955 to 27 December 19551956: 20 January 1956 to 22 December 19561957: 10 January 1957 to 4 December 19571958: 20 January 1958 to 19 December 19581959: 3 January 1959 to 24 December 19591960: 6 January 1960 to 7 December 19601961: 4 January 1961 to 15 December 19611962: 6 January 1962 to 24 December 19621963: 1 January 1963 to 10 December 19631964: 15 January 1964 to 10 December 19641966: 1 February 1966 to 31 December 19661967: 5 January 1967 to 29 December 19671968: 8 January 1968 to 21 December 19681969: 7 February 1969 to 31 December 19691970: 14 January 1970 to 30 December 19701971: 20 January 1971 to 15 December 19711972: 12 February 1972 to 28 November 19721973: 8 January 1973 to 23 December 19731974: 8 January 1974 to 27 November 19741976: 15 January 1976 to 31 December 19761977: 5 January 1977 to 18 November 19771982: 19 January 1982 to 21 December 19821990: 16 January 1990 to 25 December 19901991: 7 February 1991 to 22 December 19911992: 1 January 1992 to 28 December 19921993: 5 January 1993 to 23 December 19931994: 9 January 1994 to 30 October 19941995: 19 January 1995 to 19 December 19951996: 4 January 1996 to 31 December 19961997: 27 January 1997 to 21 December 19971998: 28 January 1998 to 21 December 19981999: 10 January 1999 to 19 December 19992000: 3 January 2000 to 30 December 20002001: 18 January 2001 to 1 December 20012002: 1 January 2002 to 25 December 20022003: 20 February 2003 to 26 December 20032004: 9 January 2004 to 11 December 20042005: 6 January 2005 to 9 December 20052007: 10 January 2007 to 28 December 20072008: 7 January 2008 to 14 December 20082010: 4 January 2010 to 29 December 20102012: 17 January 2012 to 19 November 20122013: 25 January 2013 to 31 December 20132019: 11 February 2019 to 17 June 20192020: 17 January 2020 to 19 December 20202021: 7 January 2021 to 10 December 20212022: 3 February 2022 to 14 December 20222023: 3 February 2023 to 31 December 20232024: 14 January 2024 to 30 December 20242025: 2 January 2025 to 24 December 20252026: 1 January 2026 to 21 June 202619381948195719671977199720072023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Proston Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Proston Post Office
YearFirst dateLast date
19381938-01-081938-11-28
19391939-01-011939-12-28
19401940-01-161940-12-03
19411941-01-141941-11-26
19421942-01-171942-12-31
19431943-01-231943-12-29
19441944-01-101944-12-22
19451945-01-141945-12-19
19471947-01-241947-12-21
19481948-01-031948-12-31
19491949-01-051949-12-17
19501950-01-041950-12-16
19511951-01-061951-12-14
19521952-01-091952-12-24
19531953-01-201953-12-28
19541954-01-041954-12-14
19551955-02-211955-12-27
19561956-01-201956-12-22
19571957-01-101957-12-04
19581958-01-201958-12-19
19591959-01-031959-12-24
19601960-01-061960-12-07
19611961-01-041961-12-15
19621962-01-061962-12-24
19631963-01-011963-12-10
19641964-01-151964-12-10
19661966-02-011966-12-31
19671967-01-051967-12-29
19681968-01-081968-12-21
19691969-02-071969-12-31
19701970-01-141970-12-30
19711971-01-201971-12-15
19721972-02-121972-11-28
19731973-01-081973-12-23
19741974-01-081974-11-27
19761976-01-151976-12-31
19771977-01-051977-11-18
19821982-01-191982-12-21
19901990-01-161990-12-25
19911991-02-071991-12-22
19921992-01-011992-12-28
19931993-01-051993-12-23
19941994-01-091994-10-30
19951995-01-191995-12-19
19961996-01-041996-12-31
19971997-01-271997-12-21
19981998-01-281998-12-21
19991999-01-101999-12-19
20002000-01-032000-12-30
20012001-01-182001-12-01
20022002-01-012002-12-25
20032003-02-202003-12-26
20042004-01-092004-12-11
20052005-01-062005-12-09
20072007-01-102007-12-28
20082008-01-072008-12-14
20102010-01-042010-12-29
20122012-01-172012-11-19
20132013-01-252013-12-31
20192019-02-112019-06-17
20202020-01-172020-12-19
20212021-01-072021-12-10
20222022-02-032022-12-14
20232023-02-032023-12-31
20242024-01-142024-12-30
20252025-01-022025-12-24
20262026-01-012026-06-21

Every Fixed Threshold

Fixed thresholds at Proston Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6735201012
25 mm (0.98 in): Days with 25 mm or more rain661820105
50 mm (1.97 in): Days with 50 mm or more rain45720102
100 mm (3.94 in): Days with 100 mm or more rain7219561
200 mm (7.87 in): Days with 200 mm or more rain1120261

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.

Download the Data

  • Data for Proston Post Office 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 (2026-10-12).