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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Mount Pleasant Threshold Days by Year

4 fixed thresholds counted per year at Mount Pleasant (ASN00035233): 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 33 years, most in 1984 with 30.
  • Mount Pleasant: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1983 with 17.
  • Mount Pleasant: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1983 with 8.
  • Mount Pleasant: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1970 with 2.
  • 4 fixed thresholds have at least one qualifying day at Mount Pleasant.
33 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 30 in 1984. 01020301965: 201966: 221967: 161968: 221969: 131970: 181971: 231972: 141974: 271975: 251976: 241977: 221978: 241979: 111980: 211981: 221982: 101983: 291984: 301985: 221986: 201987: 151988: 201989: 241990: 151991: 191992: 131993: 141994: 91995: 171996: 181999: 172000: 23196519691974197819821986199019942000
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 30 in 1984.
Days with 10 mm (0.39 in) or more of precipitation per year at Mount Pleasant
YearDaysDecade average
19652018.6
19662218.6
19671618.6
19682218.6
19691318.6
19701820.9
19712320.9
19721420.9
19742720.9
19752520.9
19762420.9
19772220.9
19782420.9
19791120.9
19802121.3
19812221.3
19821021.3
19832921.3
19843021.3
19852221.3
19862021.3
19871521.3
19882021.3
19892421.3
19901515.3
19911915.3
19921315.3
19931415.3
1994915.3
19951715.3
19961815.3
19991715.3
20002323
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). 1965: 5 January 1965 to 15 December 19651966: 2 January 1966 to 17 December 19661967: 18 January 1967 to 24 December 19671968: 8 January 1968 to 4 December 19681969: 9 January 1969 to 12 December 19691970: 23 January 1970 to 25 December 19701971: 14 January 1971 to 26 December 19711972: 14 January 1972 to 31 December 19721974: 2 January 1974 to 29 December 19741975: 2 January 1975 to 24 December 19751976: 14 January 1976 to 26 December 19761977: 6 January 1977 to 26 December 19771978: 1 February 1978 to 27 December 19781979: 27 January 1979 to 23 December 19791980: 6 January 1980 to 30 December 19801981: 17 January 1981 to 24 December 19811982: 1 February 1982 to 2 December 19821983: 2 January 1983 to 2 December 19831984: 3 January 1984 to 30 December 19841985: 22 January 1985 to 21 December 19851986: 5 January 1986 to 1 December 19861987: 18 January 1987 to 29 December 19871988: 19 January 1988 to 26 December 19881989: 6 January 1989 to 6 December 19891990: 16 January 1990 to 30 December 19901991: 5 January 1991 to 22 December 19911992: 1 January 1992 to 19 December 19921993: 12 January 1993 to 18 December 19931994: 2 February 1994 to 10 December 19941995: 4 January 1995 to 24 December 19951996: 3 January 1996 to 19 December 19961999: 1 January 1999 to 26 December 19992000: 8 January 2000 to 29 December 20001965197019761981198619911996JanFebMarAprMayJunJulAugSepOctNovDec
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
19651965-01-051965-12-15
19661966-01-021966-12-17
19671967-01-181967-12-24
19681968-01-081968-12-04
19691969-01-091969-12-12
19701970-01-231970-12-25
19711971-01-141971-12-26
19721972-01-141972-12-31
19741974-01-021974-12-29
19751975-01-021975-12-24
19761976-01-141976-12-26
19771977-01-061977-12-26
19781978-02-011978-12-27
19791979-01-271979-12-23
19801980-01-061980-12-30
19811981-01-171981-12-24
19821982-02-011982-12-02
19831983-01-021983-12-02
19841984-01-031984-12-30
19851985-01-221985-12-21
19861986-01-051986-12-01
19871987-01-181987-12-29
19881988-01-191988-12-26
19891989-01-061989-12-06
19901990-01-161990-12-30
19911991-01-051991-12-22
19921992-01-011992-12-19
19931993-01-121993-12-18
19941994-02-021994-12-10
19951995-01-041995-12-24
19961996-01-031996-12-19
19991999-01-011999-12-26
20002000-01-082000-12-29

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 rain3330198423
25 mm (0.98 in): Days with 25 mm or more rain331719837
50 mm (1.97 in): Days with 50 mm or more rain24819833
100 mm (3.94 in): Days with 100 mm or more rain11219701

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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