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

Summersville Threshold Days by Year

13 fixed thresholds counted per year at Summersville (USC00468608): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Summersville Thresholds

  • Summersville: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1950 with 54.
  • Summersville: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1945 with 15.
  • Summersville: days with 50 mm (1.97 in) or more of precipitation in 15 years, most in 1954 with 4.
  • Summersville: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1936 with 7.
  • 13 fixed thresholds have at least one qualifying day at Summersville.
5 years with a qualifying day
Days at or above 30 C (86 F) per year at Summersville Days per year at Summersville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1943. 02040601942: 391943: 421944: 401945: 351946: 2119421943194419451946
Days per year at Summersville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1943.
Days at or above 30 C (86 F) per year at Summersville
YearDaysDecade average
19423935.4
19434235.4
19444035.4
19453535.4
19462135.4
First to last qualifying date each year at Summersville For each year, a bar from the first to the last day at Summersville meeting 30 C (86 F). 1942: 30 April 1942 to 16 September 19421943: 7 May 1943 to 7 September 19431944: 3 May 1944 to 19 September 19441945: 21 May 1945 to 25 September 19451946: 29 May 1946 to 18 September 194619421943194419451946JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Summersville meeting 30 C (86 F).
First to last qualifying date each year at Summersville
YearFirst dateLast date
19421942-04-301942-09-16
19431943-05-071943-09-07
19441944-05-031944-09-19
19451945-05-211945-09-25
19461946-05-291946-09-18

Every Fixed Threshold

Fixed thresholds at Summersville
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days542194321
35 C (95 F): Days1119441
90 F (32.2 C): Days51519442
0 C (32 F): Ice days (max53219424
0 C (32 F): Frost days (min61531944149
-10 C (14 F): Days with min635194340
-20 C (-4 F): Days with min6919423
20 C (68 F): Tropical nights (min2619423
10 mm (0.39 in): Days with 10 mm or more rain2454195036
25 mm (0.98 in): Days with 25 mm or more rain241519454
50 mm (1.97 in): Days with 50 mm or more rain15419541
10 cm (3.9 in): Days with 10 cm or more snowfall13719364
25 cm (9.8 in): Days with 25 cm or more snowfall3219361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

Download the Data

  • Data for Summersville 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 (2025-12-31).