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

Mount Pleasant Threshold Days by Year (ASN00093011)

3 fixed thresholds counted per year at Mount Pleasant (ASN00093011): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mount Pleasant Thresholds

  • Mount Pleasant: days with 10 mm (0.39 in) or more of precipitation in 37 years, most in 1956 with 37.
  • Mount Pleasant: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1922 with 7.
  • Mount Pleasant: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1938 with 2.
  • 3 fixed thresholds have at least one qualifying day at Mount Pleasant.
37 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Pleasant Days per year at Mount Pleasant with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1956. 0102030401921: 141922: 191923: 151924: 211925: 151926: 151927: 131928: 151929: 211930: 161931: 231932: 251933: 101934: 121935: 241936: 81937: 161938: 211939: 221940: 81941: 131942: 121943: 131944: 181945: 101946: 181947: 201948: 121949: 181950: 141951: 141952: 281953: 141954: 111955: 151956: 371957: 201921192519291933193719411945194919531957
Days per year at Mount Pleasant with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 37 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Pleasant
YearDaysDecade average
19211416.4
19221916.4
19231516.4
19242116.4
19251516.4
19261516.4
19271316.4
19281516.4
19292116.4
19301617.7
19312317.7
19322517.7
19331017.7
19341217.7
19352417.7
1936817.7
19371617.7
19382117.7
19392217.7
1940814.2
19411314.2
19421214.2
19431314.2
19441814.2
19451014.2
19461814.2
19472014.2
19481214.2
19491814.2
19501419.1
19511419.1
19522819.1
19531419.1
19541119.1
19551519.1
19563719.1
19572019.1
First to last qualifying date each year at Mount Pleasant For each year, a bar from the first to the last day at Mount Pleasant meeting 10 mm (0.39 in). 1921: 17 April 1921 to 28 November 19211922: 21 February 1922 to 24 December 19221923: 22 January 1923 to 5 December 19231924: 12 January 1924 to 10 November 19241925: 28 January 1925 to 18 November 19251926: 5 January 1926 to 16 October 19261927: 6 March 1927 to 28 December 19271928: 1 January 1928 to 17 December 19281929: 26 January 1929 to 29 December 19291930: 19 February 1930 to 9 December 19301931: 15 February 1931 to 20 November 19311932: 10 January 1932 to 31 December 19321933: 19 February 1933 to 30 November 19331934: 9 January 1934 to 15 December 19341935: 4 January 1935 to 21 December 19351936: 22 January 1936 to 20 December 19361937: 2 January 1937 to 26 December 19371938: 3 January 1938 to 28 December 19381939: 17 February 1939 to 28 November 19391940: 20 March 1940 to 29 December 19401941: 4 January 1941 to 6 December 19411942: 20 January 1942 to 24 December 19421943: 4 January 1943 to 14 December 19431944: 3 January 1944 to 24 December 19441945: 16 January 1945 to 28 December 19451946: 19 January 1946 to 29 December 19461947: 17 February 1947 to 22 December 19471948: 13 January 1948 to 5 December 19481949: 3 January 1949 to 21 December 19491950: 15 January 1950 to 20 December 19501951: 24 February 1951 to 15 December 19511952: 14 January 1952 to 7 December 19521953: 6 January 1953 to 8 December 19531954: 28 January 1954 to 21 November 19541955: 5 March 1955 to 28 December 19551956: 1 January 1956 to 20 December 19561957: 3 February 1957 to 26 December 195719211926193119361941194619511956JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mount Pleasant meeting 10 mm (0.39 in).
First to last qualifying date each year at Mount Pleasant
YearFirst dateLast date
19211921-04-171921-11-28
19221922-02-211922-12-24
19231923-01-221923-12-05
19241924-01-121924-11-10
19251925-01-281925-11-18
19261926-01-051926-10-16
19271927-03-061927-12-28
19281928-01-011928-12-17
19291929-01-261929-12-29
19301930-02-191930-12-09
19311931-02-151931-11-20
19321932-01-101932-12-31
19331933-02-191933-11-30
19341934-01-091934-12-15
19351935-01-041935-12-21
19361936-01-221936-12-20
19371937-01-021937-12-26
19381938-01-031938-12-28
19391939-02-171939-11-28
19401940-03-201940-12-29
19411941-01-041941-12-06
19421942-01-201942-12-24
19431943-01-041943-12-14
19441944-01-031944-12-24
19451945-01-161945-12-28
19461946-01-191946-12-29
19471947-02-171947-12-22
19481948-01-131948-12-05
19491949-01-031949-12-21
19501950-01-151950-12-20
19511951-02-241951-12-15
19521952-01-141952-12-07
19531953-01-061953-12-08
19541954-01-281954-11-21
19551955-03-051955-12-28
19561956-01-011956-12-20
19571957-02-031957-12-26

Every Fixed Threshold

Fixed thresholds at Mount Pleasant
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3737195620
25 mm (0.98 in): Days with 25 mm or more rain33719226
50 mm (1.97 in): Days with 50 mm or more rain12219382

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

  • Data for Mount Pleasant 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).