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

Nantahala Threshold Days by Year

12 fixed thresholds counted per year at Nantahala (USC00316031): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Nantahala Thresholds

  • Nantahala: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1957 with 68.
  • Nantahala: days with 25 mm (0.98 in) or more of precipitation in 42 years, most in 1957 with 28.
  • Nantahala: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1967 with 9.
  • Nantahala: days with 10 cm (3.9 in) or more of snowfall in 20 years, most in 1936 with 4.
  • 12 fixed thresholds have at least one qualifying day at Nantahala.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Nantahala Days per year at Nantahala with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1947. 0102030401947: 361948: 331949: 35194719481949
Days per year at Nantahala with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 36 in 1947.
Days at or above 30 C (86 F) per year at Nantahala
YearDaysDecade average
19473634.7
19483334.7
19493534.7
First to last qualifying date each year at Nantahala For each year, a bar from the first to the last day at Nantahala meeting 30 C (86 F). 1947: 14 May 1947 to 10 September 19471948: 19 June 1948 to 30 August 19481949: 4 May 1949 to 17 September 1949194719481949JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Nantahala meeting 30 C (86 F).
First to last qualifying date each year at Nantahala
YearFirst dateLast date
19471947-05-141947-09-10
19481948-06-191948-08-30
19491949-05-041949-09-17

Every Fixed Threshold

Fixed thresholds at Nantahala
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days336194735
90 F (32.2 C): Days3819498
0 C (32 F): Ice days (max2819474
0 C (32 F): Frost days (min395194777
-10 C (14 F): Days with min2919476
20 C (68 F): Tropical nights (min1819498
10 mm (0.39 in): Days with 10 mm or more rain4268195757
25 mm (0.98 in): Days with 25 mm or more rain4228195727
50 mm (1.97 in): Days with 50 mm or more rain40919677
100 mm (3.94 in): Days with 100 mm or more rain7219571
10 cm (3.9 in): Days with 10 cm or more snowfall20419362
25 cm (9.8 in): Days with 25 cm or more snowfall2119361

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1947.

Download the Data

  • Data for Nantahala 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).