Built 2026-10-19 (19 October 2026)

Pelton Dam Threshold Days by Year (USC00356532)

16 fixed thresholds counted per year at Pelton Dam (USC00356532): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pelton Dam Thresholds

  • Pelton Dam: days with 10 mm (0.39 in) or more of precipitation in 62 years, most in 1996 with 13.
  • Pelton Dam: nights with a minimum temperature at or below 0 C (32 F) in 61 years, most in 1985 with 162.
  • Pelton Dam: days with a maximum temperature at or above 30 C (86 F) in 60 years, most in 1992 with 117.
  • Pelton Dam: days with a maximum temperature at or above 35 C (95 F) in 60 years, most in 2001 with 72.
  • 16 fixed thresholds have at least one qualifying day at Pelton Dam.
60 years with a qualifying day
Days at or above 30 C (86 F) per year at Pelton Dam Days per year at Pelton Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 1992. 0501001501959: 651960: 871961: 841962: 771963: 741964: 561965: 711966: 811967: 1011968: 721969: 831970: 921971: 751972: 871973: 821974: 951975: 761976: 791977: 781978: 641979: 921981: 771982: 721983: 671984: 841985: 851986: 901987: 981988: 1051989: 951990: 981991: 1001992: 1171993: 851994: 1101995: 871996: 981997: 811998: 841999: 1042000: 1052001: 1082002: 612005: 612006: 722007: 702009: 842010: 632011: 682012: 842013: 872014: 862015: 792016: 722018: 812022: 812023: 912024: 772025: 922026: 821959196519711977198419901996200220112018
Days per year at Pelton Dam with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 1992.
Days at or above 30 C (86 F) per year at Pelton Dam
YearDaysDecade average
19596565
19608778.6
19618478.6
19627778.6
19637478.6
19645678.6
19657178.6
19668178.6
196710178.6
19687278.6
19698378.6
19709282
19717582
19728782
19738282
19749582
19757682
19767982
19777882
19786482
19799282
19817785.9
19827285.9
19836785.9
19848485.9
19858585.9
19869085.9
19879885.9
198810585.9
19899585.9
19909896.4
199110096.4
199211796.4
19938596.4
199411096.4
19958796.4
19969896.4
19978196.4
19988496.4
199910496.4
200010580.1
200110880.1
20026180.1
20056180.1
20067280.1
20077080.1
20098480.1
20106377.5
20116877.5
20128477.5
20138777.5
20148677.5
20157977.5
20167277.5
20188177.5
20228184.6
20239184.6
20247784.6
20259284.6
20268284.6
First to last qualifying date each year at Pelton Dam For each year, a bar from the first to the last day at Pelton Dam meeting 30 C (86 F). 1959: 31 May 1959 to 3 October 19591960: 10 May 1960 to 5 October 19601961: 19 May 1961 to 15 October 19611962: 13 April 1962 to 26 September 19621963: 20 May 1963 to 3 October 19631964: 30 May 1964 to 25 September 19641965: 11 May 1965 to 8 October 19651966: 29 March 1966 to 5 October 19661967: 16 May 1967 to 29 September 19671968: 10 April 1968 to 30 September 19681969: 8 May 1969 to 13 September 19691970: 2 May 1970 to 4 October 19701971: 3 May 1971 to 10 October 19711972: 12 May 1972 to 30 September 19721973: 12 May 1973 to 29 September 19731974: 5 May 1974 to 1 October 19741975: 13 May 1975 to 1 October 19751976: 8 May 1976 to 13 October 19761977: 22 April 1977 to 14 September 19771978: 8 May 1978 to 8 October 19781979: 3 May 1979 to 11 October 19791981: 23 April 1981 to 1 October 19811982: 21 May 1982 to 8 September 19821983: 20 May 1983 to 26 September 19831984: 13 May 1984 to 7 October 19841985: 9 April 1985 to 26 September 19851986: 20 April 1986 to 7 October 19861987: 27 April 1987 to 8 October 19871988: 11 April 1988 to 12 October 19881989: 17 April 1989 to 9 October 19891990: 13 April 1990 to 30 September 19901991: 31 May 1991 to 16 October 19911992: 2 April 1992 to 11 October 19921993: 9 May 1993 to 5 October 19931994: 15 April 1994 to 28 September 19941995: 15 May 1995 to 15 October 19951996: 6 April 1996 to 10 October 19961997: 25 March 1997 to 30 September 19971998: 28 April 1998 to 7 October 19981999: 17 April 1999 to 13 October 19992000: 3 April 2000 to 8 October 20002001: 25 April 2001 to 3 October 20012002: 11 June 2002 to 24 September 20022005: 27 May 2005 to 30 September 20052006: 15 May 2006 to 30 September 20062007: 9 May 2007 to 28 September 20072009: 21 April 2009 to 27 September 20092010: 14 June 2010 to 3 October 20102011: 21 June 2011 to 1 October 20112012: 23 April 2012 to 2 October 20122013: 7 May 2013 to 16 September 20132014: 2 May 2014 to 8 October 20142015: 2 May 2015 to 26 September 20152016: 20 April 2016 to 30 September 20162018: 8 May 2018 to 28 September 20182022: 22 June 2022 to 8 October 20222023: 29 April 2023 to 9 October 20232024: 12 May 2024 to 2 October 20242025: 10 May 2025 to 29 September 20252026: 2 May 2026 to 7 October 202619591967197519841992200020112023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Pelton Dam meeting 30 C (86 F).
First to last qualifying date each year at Pelton Dam
YearFirst dateLast date
19591959-05-311959-10-03
19601960-05-101960-10-05
19611961-05-191961-10-15
19621962-04-131962-09-26
19631963-05-201963-10-03
19641964-05-301964-09-25
19651965-05-111965-10-08
19661966-03-291966-10-05
19671967-05-161967-09-29
19681968-04-101968-09-30
19691969-05-081969-09-13
19701970-05-021970-10-04
19711971-05-031971-10-10
19721972-05-121972-09-30
19731973-05-121973-09-29
19741974-05-051974-10-01
19751975-05-131975-10-01
19761976-05-081976-10-13
19771977-04-221977-09-14
19781978-05-081978-10-08
19791979-05-031979-10-11
19811981-04-231981-10-01
19821982-05-211982-09-08
19831983-05-201983-09-26
19841984-05-131984-10-07
19851985-04-091985-09-26
19861986-04-201986-10-07
19871987-04-271987-10-08
19881988-04-111988-10-12
19891989-04-171989-10-09
19901990-04-131990-09-30
19911991-05-311991-10-16
19921992-04-021992-10-11
19931993-05-091993-10-05
19941994-04-151994-09-28
19951995-05-151995-10-15
19961996-04-061996-10-10
19971997-03-251997-09-30
19981998-04-281998-10-07
19991999-04-171999-10-13
20002000-04-032000-10-08
20012001-04-252001-10-03
20022002-06-112002-09-24
20052005-05-272005-09-30
20062006-05-152006-09-30
20072007-05-092007-09-28
20092009-04-212009-09-27
20102010-06-142010-10-03
20112011-06-212011-10-01
20122012-04-232012-10-02
20132013-05-072013-09-16
20142014-05-022014-10-08
20152015-05-022015-09-26
20162016-04-202016-09-30
20182018-05-082018-09-28
20222022-06-222022-10-08
20232023-04-292023-10-09
20242024-05-122024-10-02
20252025-05-102025-09-29
20262026-05-022026-10-07

Every Fixed Threshold

Fixed thresholds at Pelton Dam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days60117199282
35 C (95 F): Days6072200125
40 C (104 F): Days562419922
45 C (113 F): Days5319941
90 F (32.2 C): Days6097199259
100 F (37.8 C): Days6045200113
110 F (43.3 C): Days20819921
0 C (32 F): Ice days (max532819854
0 C (32 F): Frost days (min61162198564
-10 C (14 F): Days with min552719934
-20 C (-4 F): Days with min11619792
20 C (68 F): Tropical nights (min21320152
10 mm (0.39 in): Days with 10 mm or more rain621319961
25 mm (0.98 in): Days with 25 mm or more rain19219611
50 mm (1.97 in): Days with 50 mm or more rain2119641
10 cm (3.9 in): Days with 10 cm or more snowfall6319601

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1959.

Download the Data

  • Data for Pelton 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 (2026-10-17).