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

Wateree Dam Threshold Days by Year (USC00388979)

15 fixed thresholds counted per year at Wateree Dam (USC00388979): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wateree Dam Thresholds

  • Wateree Dam: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1948 with 46.
  • Wateree Dam: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1948 with 20.
  • Wateree Dam: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1893 with 6.
  • Wateree Dam: days with a maximum temperature at or above 30 C (86 F) in 14 years, most in 2018 with 136.
  • 15 fixed thresholds have at least one qualifying day at Wateree Dam.
14 years with a qualifying day
Days at or above 30 C (86 F) per year at Wateree Dam Days per year at Wateree Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2018. 0501001502011: 1272012: 1232013: 962014: 1162015: 1192016: 1302017: 1202018: 1362019: 1322020: 1062021: 1192022: 1122023: 952026: 792011201320152017201920212023
Days per year at Wateree Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 136 in 2018.
Days at or above 30 C (86 F) per year at Wateree Dam
YearDaysDecade average
2011127122.1
2012123122.1
201396122.1
2014116122.1
2015119122.1
2016130122.1
2017120122.1
2018136122.1
2019132122.1
2020106102.2
2021119102.2
2022112102.2
202395102.2
202679102.2
First to last qualifying date each year at Wateree Dam For each year, a bar from the first to the last day at Wateree Dam meeting 30 C (86 F). 2011: 5 April 2011 to 18 October 20112012: 16 March 2012 to 7 October 20122013: 11 April 2013 to 6 October 20132014: 3 April 2014 to 27 October 20142015: 9 April 2015 to 24 October 20152016: 19 April 2016 to 31 October 20162017: 22 March 2017 to 4 November 20172018: 3 May 2018 to 17 October 20182019: 24 April 2019 to 13 October 20192020: 28 March 2020 to 12 October 20202021: 8 April 2021 to 17 October 20212022: 3 May 2022 to 27 September 20222023: 20 April 2023 to 4 October 20232026: 11 March 2026 to 4 October 20262011201320152017201920212023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wateree Dam meeting 30 C (86 F).
First to last qualifying date each year at Wateree Dam
YearFirst dateLast date
20112011-04-052011-10-18
20122012-03-162012-10-07
20132013-04-112013-10-06
20142014-04-032014-10-27
20152015-04-092015-10-24
20162016-04-192016-10-31
20172017-03-222017-11-04
20182018-05-032018-10-17
20192019-04-242019-10-13
20202020-03-282020-10-12
20212021-04-082021-10-17
20222022-05-032022-09-27
20232023-04-202023-10-04
20262026-03-112026-10-04

Every Fixed Threshold

Fixed thresholds at Wateree Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days14136201879
35 C (95 F): Days1459201126
40 C (104 F): Days3420111
90 F (32.2 C): Days14109201961
100 F (37.8 C): Days92020157
0 C (32 F): Ice days (max2120111
0 C (32 F): Frost days (min1471201311
-10 C (14 F): Days with min65201410
20 C (68 F): Tropical nights (min14116201841
25 C (77 F): Days with min4220162
10 mm (0.39 in): Days with 10 mm or more rain704619487
25 mm (0.98 in): Days with 25 mm or more rain702019481
50 mm (1.97 in): Days with 50 mm or more rain60618931
100 mm (3.94 in): Days with 100 mm or more rain8118931
10 cm (3.9 in): Days with 10 cm or more snowfall2219731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2011.

Download the Data

  • Data for Wateree Dam 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 (2026-10-12).