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Built 2026-10-19 (19 October 2026)

Woodruff Dam Threshold Days by Year (USC00089795)

13 fixed thresholds counted per year at Woodruff Dam (USC00089795): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Woodruff Dam Thresholds

  • Woodruff Dam: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1964 with 55.
  • Woodruff Dam: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1964 with 28.
  • Woodruff Dam: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1975 with 8.
  • Woodruff Dam: days with a maximum temperature at or above 30 C (86 F) in 20 years, most in 1962 with 154.
  • 13 fixed thresholds have at least one qualifying day at Woodruff Dam.
20 years with a qualifying day
Days at or above 30 C (86 F) per year at Woodruff Dam Days per year at Woodruff Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 1962. 0501001502001957: 1251958: 1151959: 1151960: 1351961: 1291962: 1541963: 1441964: 1321965: 1451966: 1181967: 1311968: 1481969: 1211970: 1501971: 1411972: 1361973: 1461974: 1381975: 1211976: 1081957195919611963196519671969197119731975
Days per year at Woodruff Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 154 in 1962.
Days at or above 30 C (86 F) per year at Woodruff Dam
YearDaysDecade average
1957125118.3
1958115118.3
1959115118.3
1960135135.7
1961129135.7
1962154135.7
1963144135.7
1964132135.7
1965145135.7
1966118135.7
1967131135.7
1968148135.7
1969121135.7
1970150134.3
1971141134.3
1972136134.3
1973146134.3
1974138134.3
1975121134.3
1976108134.3
First to last qualifying date each year at Woodruff Dam For each year, a bar from the first to the last day at Woodruff Dam meeting 30 C (86 F). 1957: 26 April 1957 to 24 September 19571958: 24 April 1958 to 11 October 19581959: 8 April 1959 to 6 November 19591960: 18 April 1960 to 16 October 19601961: 25 April 1961 to 5 November 19611962: 1 March 1962 to 22 October 19621963: 18 March 1963 to 28 October 19631964: 19 April 1964 to 3 October 19641965: 6 April 1965 to 11 October 19651966: 14 April 1966 to 19 October 19661967: 11 March 1967 to 17 October 19671968: 22 March 1968 to 24 October 19681969: 3 April 1969 to 20 October 19691970: 17 April 1970 to 16 October 19701971: 21 April 1971 to 2 November 19711972: 14 April 1972 to 3 November 19721973: 22 April 1973 to 28 October 19731974: 11 March 1974 to 5 November 19741975: 26 April 1975 to 16 October 19751976: 31 March 1976 to 6 October 19761957196019631966196919721975JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Woodruff Dam meeting 30 C (86 F).
First to last qualifying date each year at Woodruff Dam
YearFirst dateLast date
19571957-04-261957-09-24
19581958-04-241958-10-11
19591959-04-081959-11-06
19601960-04-181960-10-16
19611961-04-251961-11-05
19621962-03-011962-10-22
19631963-03-181963-10-28
19641964-04-191964-10-03
19651965-04-061965-10-11
19661966-04-141966-10-19
19671967-03-111967-10-17
19681968-03-221968-10-24
19691969-04-031969-10-20
19701970-04-171970-10-16
19711971-04-211971-11-02
19721972-04-141972-11-03
19731973-04-221973-10-28
19741974-03-111974-11-05
19751975-04-261975-10-16
19761976-03-311976-10-06

Every Fixed Threshold

Fixed thresholds at Woodruff Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days201541962108
35 C (95 F): Days2048196219
90 F (32.2 C): Days20119196271
100 F (37.8 C): Days6419691
0 C (32 F): Ice days (max2219621
0 C (32 F): Frost days (min2051196332
-10 C (14 F): Days with min3219622
20 C (68 F): Tropical nights (min20124197068
25 C (77 F): Days with min5119571
10 mm (0.39 in): Days with 10 mm or more rain2155196414
25 mm (0.98 in): Days with 25 mm or more rain212819644
50 mm (1.97 in): Days with 50 mm or more rain21819751
100 mm (3.94 in): Days with 100 mm or more rain8219642

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1957.

Download the Data

  • Data for Woodruff 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 (2025-12-31).