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

Mt Pleasant Threshold Days by Year (USC00315945)

15 fixed thresholds counted per year at Mt Pleasant (USC00315945): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Pleasant Thresholds

  • Mt Pleasant: days with 10 mm (0.39 in) or more of precipitation in 10 years, most in 1893 with 42.
  • Mt Pleasant: days with 25 mm (0.98 in) or more of precipitation in 10 years, most in 1893 with 16.
  • Mt Pleasant: days with 50 mm (1.97 in) or more of precipitation in 9 years, most in 1893 with 4.
  • Mt Pleasant: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1899 with 93.
  • 15 fixed thresholds have at least one qualifying day at Mt Pleasant.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Mt Pleasant Days per year at Mt Pleasant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1899. 02550751001893: 571894: 741895: 761896: 921897: 771898: 791899: 931893189418951896189718981899
Days per year at Mt Pleasant with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 93 in 1899.
Days at or above 30 C (86 F) per year at Mt Pleasant
YearDaysDecade average
18935778.3
18947478.3
18957678.3
18969278.3
18977778.3
18987978.3
18999378.3
First to last qualifying date each year at Mt Pleasant For each year, a bar from the first to the last day at Mt Pleasant meeting 30 C (86 F). 1893: 8 April 1893 to 25 September 18931894: 22 March 1894 to 24 September 18941895: 9 May 1895 to 26 September 18951896: 16 April 1896 to 20 September 18961897: 29 May 1897 to 17 October 18971898: 2 May 1898 to 27 September 18981899: 2 May 1899 to 13 September 18991893189418951896189718981899JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt Pleasant meeting 30 C (86 F).
First to last qualifying date each year at Mt Pleasant
YearFirst dateLast date
18931893-04-081893-09-25
18941894-03-221894-09-24
18951895-05-091895-09-26
18961896-04-161896-09-20
18971897-05-291897-10-17
18981898-05-021898-09-27
18991899-05-021899-09-13

Every Fixed Threshold

Fixed thresholds at Mt Pleasant
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days793189993
35 C (95 F): Days724189924
90 F (32.2 C): Days762189962
100 F (37.8 C): Days1118991
0 C (32 F): Ice days (max6818957
0 C (32 F): Frost days (min787189571
-10 C (14 F): Days with min71018936
-20 C (-4 F): Days with min1118931
20 C (68 F): Tropical nights (min785189873
25 C (77 F): Days with min1118991
10 mm (0.39 in): Days with 10 mm or more rain1042189323
25 mm (0.98 in): Days with 25 mm or more rain1016189311
50 mm (1.97 in): Days with 50 mm or more rain9418932
100 mm (3.94 in): Days with 100 mm or more rain3118941
10 cm (3.9 in): Days with 10 cm or more snowfall1120181

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

  • Data for Mt 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).