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Built 2026-10-19 (19 October 2026)

El Capitan Dam Threshold Days by Year (USC00042709)

14 fixed thresholds counted per year at El Capitan Dam (USC00042709): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for El Capitan Dam Thresholds

  • El Capitan Dam: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1978 with 30.
  • El Capitan Dam: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1980 with 11.
  • El Capitan Dam: days with a maximum temperature at or above 30 C (86 F) in 49 years, most in 2014 with 189.
  • El Capitan Dam: days with a maximum temperature at or above 35 C (95 F) in 49 years, most in 2012 with 79.
  • 14 fixed thresholds have at least one qualifying day at El Capitan Dam.
49 years with a qualifying day
Days at or above 30 C (86 F) per year at El Capitan Dam Days per year at El Capitan Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 189 in 2014. 0501001502001949: 1431950: 1251951: 1211952: 1401953: 1311954: 1291955: 1121956: 1261957: 1071958: 1481959: 1281960: 1441961: 1151962: 1211963: 1111964: 1171965: 1191966: 1231967: 1381968: 1251969: 1091970: 1241971: 1291972: 1061973: 991974: 1061975: 1051976: 1081977: 1281978: 1321979: 1141980: 1371981: 1331982: 1031983: 1131984: 1281985: 1281986: 1351987: 1301988: 1351989: 1461991: 1111992: 1281995: 1362012: 1582013: 1382014: 1892015: 1802016: 1821949195419591964196919741979198419892013
Days per year at El Capitan Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 189 in 2014.
Days at or above 30 C (86 F) per year at El Capitan Dam
YearDaysDecade average
1949143143
1950125126.7
1951121126.7
1952140126.7
1953131126.7
1954129126.7
1955112126.7
1956126126.7
1957107126.7
1958148126.7
1959128126.7
1960144122.2
1961115122.2
1962121122.2
1963111122.2
1964117122.2
1965119122.2
1966123122.2
1967138122.2
1968125122.2
1969109122.2
1970124115.1
1971129115.1
1972106115.1
197399115.1
1974106115.1
1975105115.1
1976108115.1
1977128115.1
1978132115.1
1979114115.1
1980137128.8
1981133128.8
1982103128.8
1983113128.8
1984128128.8
1985128128.8
1986135128.8
1987130128.8
1988135128.8
1989146128.8
1991111125
1992128125
1995136125
2012158169.4
2013138169.4
2014189169.4
2015180169.4
2016182169.4
First to last qualifying date each year at El Capitan Dam For each year, a bar from the first to the last day at El Capitan Dam meeting 30 C (86 F). 1949: 11 April 1949 to 5 December 19491950: 30 March 1950 to 25 December 19501951: 25 January 1951 to 8 November 19511952: 4 April 1952 to 7 November 19521953: 11 January 1953 to 15 December 19531954: 6 January 1954 to 21 December 19541955: 16 February 1955 to 11 November 19551956: 17 March 1956 to 27 November 19561957: 14 February 1957 to 26 October 19571958: 16 April 1958 to 18 December 19581959: 18 January 1959 to 3 December 19591960: 19 March 1960 to 20 December 19601961: 15 January 1961 to 8 November 19611962: 7 April 1962 to 13 November 19621963: 4 February 1963 to 12 November 19631964: 2 January 1964 to 1 December 19641965: 18 January 1965 to 6 December 19651966: 31 March 1966 to 3 November 19661967: 12 February 1967 to 16 November 19671968: 24 February 1968 to 12 November 19681969: 4 January 1969 to 14 November 19691970: 8 February 1970 to 2 November 19701971: 18 January 1971 to 5 November 19711972: 5 March 1972 to 7 October 19721973: 6 June 1973 to 11 December 19731974: 17 March 1974 to 25 November 19741975: 15 January 1975 to 9 December 19751976: 16 January 1976 to 19 November 19761977: 13 February 1977 to 7 December 19771978: 18 March 1978 to 9 November 19781979: 7 March 1979 to 7 December 19791980: 27 February 1980 to 30 December 19801981: 17 February 1981 to 9 December 19811982: 20 April 1982 to 5 November 19821983: 18 May 1983 to 5 November 19831984: 20 March 1984 to 14 October 19841985: 15 February 1985 to 5 November 19851986: 12 January 1986 to 13 November 19861987: 27 January 1987 to 11 November 19871988: 27 January 1988 to 6 November 19881989: 23 February 1989 to 25 December 19891991: 10 February 1991 to 27 November 19911992: 25 January 1992 to 16 November 19921995: 3 February 1995 to 1 December 19952012: 3 January 2012 to 15 November 20122013: 23 January 2013 to 18 December 20132014: 16 January 2014 to 29 November 20142015: 6 January 2015 to 9 December 20152016: 8 February 2016 to 25 November 20161949195619631970197719841992JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at El Capitan Dam meeting 30 C (86 F).
First to last qualifying date each year at El Capitan Dam
YearFirst dateLast date
19491949-04-111949-12-05
19501950-03-301950-12-25
19511951-01-251951-11-08
19521952-04-041952-11-07
19531953-01-111953-12-15
19541954-01-061954-12-21
19551955-02-161955-11-11
19561956-03-171956-11-27
19571957-02-141957-10-26
19581958-04-161958-12-18
19591959-01-181959-12-03
19601960-03-191960-12-20
19611961-01-151961-11-08
19621962-04-071962-11-13
19631963-02-041963-11-12
19641964-01-021964-12-01
19651965-01-181965-12-06
19661966-03-311966-11-03
19671967-02-121967-11-16
19681968-02-241968-11-12
19691969-01-041969-11-14
19701970-02-081970-11-02
19711971-01-181971-11-05
19721972-03-051972-10-07
19731973-06-061973-12-11
19741974-03-171974-11-25
19751975-01-151975-12-09
19761976-01-161976-11-19
19771977-02-131977-12-07
19781978-03-181978-11-09
19791979-03-071979-12-07
19801980-02-271980-12-30
19811981-02-171981-12-09
19821982-04-201982-11-05
19831983-05-181983-11-05
19841984-03-201984-10-14
19851985-02-151985-11-05
19861986-01-121986-11-13
19871987-01-271987-11-11
19881988-01-271988-11-06
19891989-02-231989-12-25
19911991-02-101991-11-27
19921992-01-251992-11-16
19951995-02-031995-12-01
20122012-01-032012-11-15
20132013-01-232013-12-18
20142014-01-162014-11-29
20152015-01-062015-12-09
20162016-02-082016-11-25

Every Fixed Threshold

Fixed thresholds at El Capitan Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days491892014182
35 C (95 F): Days4979201265
40 C (104 F): Days482220128
45 C (113 F): Days4219551
90 F (32.2 C): Days491402014138
100 F (37.8 C): Days4939201219
110 F (43.3 C): Days19619552
0 C (32 F): Frost days (min364120131
20 C (68 F): Tropical nights (min4140201514
25 C (77 F): Days with min5219551
10 mm (0.39 in): Days with 10 mm or more rain593019781
25 mm (0.98 in): Days with 25 mm or more rain561119801
50 mm (1.97 in): Days with 50 mm or more rain22319661
100 mm (3.94 in): Days with 100 mm or more rain1119951

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.

Download the Data

  • Data for El Capitan 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).