STATE EXTREMES
Date or
Value Year Location
ALASKA
Record Highest Temperature 100 27 Jun 1915 Fort Yukon
Record Lowest Temperature -80 23 Jan 1971 Prospect Creek Camp
Highest Average Annual Temperature 45.8 Annette WB Ap
Lowest Average Annual Temperature 9.8 Barter Island
Consecutive Days Max >= 70 48 days 3 occurrences 2 stations
Consecutive Days Min <= 32 321 days Aug 55-Jun 56 Barrow
Record Maximum Annual Precipitation 332.29 1976 McLeod Harbor
Record Minimum Annual Precipitation 1.61 1935 Barrow
Record Maximum 24-hour Precipitation 15.20 12 Oct 1982 Angoon
Highest Average Annual Precipitation 224.90 Little Port Walter
Lowest Average Annual Precipitation 4.26 Kuparuk
Consecutive Days Measurable Precip 69 days Nov 93-Jan 94 Little Port Walter
Consecutive Days with no Measurable Precip ?
Record Maximum Winter Snowfall 974.5 1952-53 Thompson Pass
Record Maximum 1-Day Snowfall 62.0 29 Dec 1955 Thompson Pass
Highest Average Annual Snowfall 551.5 Thompson Pass
ARIZONA
Record Highest Temperature 128 29 Jun 1994 Lake Havasu City
Record Lowest Temperature -40 7 Jan 1971 Hawley Lake
Highest Average Annual Temperature 76.3 Lake Havasu City
Lowest Average Annual Temperature 38.3 Sunrise Mountain
Consecutive Days Max >= 90 184 days Apr-Oct 1992 Yuma WSO AP
Consecutive Days Min <= 32 241 days Oct 76-May 77 Fort Valley
Record Maximum Annual Precipitation 58.92 1978 Hawley Lake
Record Minimum Annual Precipitation .07 1956 Davis Dam
Record Maximum 24-hour Precipitation 11.40 4-5 Sep 1970 Workman Creek
Highest Average Annual Precipitation 38.18 Hawley Lake
Lowest Average Annual Precipitation 2.67 Lake Havasu City
Consecutive Days Measurable Precip 31 days Jul-Aug 1983 Greer
Consecutive Days with no Measurable Precip 352 days Feb 1901-Jan 1902 Sentinel
Record Maximum Winter Snowfall 400.9 1972-73 Sunrise Mountain
Record Maximum 1-Day Snowfall 38.0 14 Dec 1967 Heber Ranger Stn
Highest Average Annual Snowfall 243.0 Sunrise Mountain
CALIFORNIA
Record Highest Temperature 134 10 Jul 1913 Greenland Ranch
Record Lowest Temperature -45 20 Jan 1937 Boca
Highest Average Annual Temperature 76.3 Death Valley
Lowest Average Annual Temperature 27.4 White Mountain 1
Consecutive Days Max >= 90 205 days Apr-Oct 1992 Death Valley
Consecutive Days Min <= 32 265 days Sep 72-May 73 White Mountain 2
Record Maximum Annual Precipitation 153.54 1909 Monumental
Record Minimum Annual Precipitation .00 1929 Death Valley
Record Maximum 24-hour Precipitation 26.12 22-23 Jan 1943 Hoegees Camp
Highest Average Annual Precipitation 104.18 Honeydew 1 SW
Lowest Average Annual Precipitation 2.25 Death Valley
Consecutive Days Measurable Precip 63 days Jan-Mar 1998 Gasquet R.S.
Consecutive Days with no Measurable Precip 468 days Aug 55-Jan 57 Ocotillo
Record Maximum Winter Snowfall 884.0 1906-07 Tamarack
Record Maximum 1-Day Snowfall 60.0 18-19 Jan 1933 Giant Forest
Highest Average Annual Snowfall 470.7 Soda Springs
COLORADO
Record Highest Temperature 118 11 Jul 1888 Bennett
Record Lowest Temperature -61 1 Feb 1985 Maybell
Highest Average Annual Temperature 56.4 Eversoll Ranch
Lowest Average Annual Temperature 29.2 Berthoud Pass
Consecutive Days Max >= 90 76 days Jun-Sep 1983 Las Animas
Consecutive Days Min <= 32 310 days Aug 85-Jun 86 Taylor Park
Record Maximum Annual Precipitation 92.84 1897 Ruby
Record Minimum Annual Precipitation 1.69 1939 Buena Vista
Record Maximum 24-hour Precipitation 11.08 17 Jun 1965 Holly
Highest Average Annual Precipitation 45.35 Wolf Creek Pass 1 E
Lowest Average Annual Precipitation 7.05 Center 4 SSW
Consecutive Days Measurable Precip 45 days Nov 83-Jan 84 Berthoud Pass
Consecutive Days with no Measurable Precip 156 days Oct 36-Mar 37 Haswell
Record Maximum Winter Snowfall 807.0 1978-79 Wolf Creek Pass 1 E
Record Maximum 1-Day Snowfall 75.8 14-15 Apr 1921 Silver Lake
Highest Average Annual Snowfall 434.8 Wolf Creek Pass 1 E
HAWAII
Record Highest Temperature 100 27 Apr 1931 Pahala
Record Lowest Temperature 12 17 May 1979 Mauna Kea Obs
Highest Average Annual Temperature 77.4 Kaneohe 838.1
Lowest Average Annual Temperature 44.7 Mauna Loa Slope Obs
Consecutive Days Max >= 90 49 days Aug-Sep 1979 Puukohola Heiau
Consecutive Days Min <= 32 27 days 2 occurrences Mauna Loa Slope Obs
Record Maximum Annual Precipitation 704.83 1982 Kukui
Record Minimum Annual Precipitation .19 1953 Kawaihae
Record Maximum 24-hour Precipitation 38.00 24-25 Jan 1956 Kilauea Plantation
Highest Average Annual Precipitation 379.02 Mount Waialeale 1047
Lowest Average Annual Precipitation 7.23 Mauna Kea Obs
Consecutive Days Measurable Precip 247 days Aug 93-May 94 Kaneohe Ranch
Consecutive Days with no Measurable Precip 352 days Jan-Dec 1969 Kaunakakai
IDAHO
Record Highest Temperature 118 28 Jul 1934 Orofino
Record Lowest Temperature -60 18 Jan 1943 Island Park Dam
Highest Average Annual Temperature 55.3 Swan Falls PH
Lowest Average Annual Temperature 34.3 Obsidian 2 NNW
Consecutive Days Max >= 90 77 days Jun-Sep 1967 Slate Creek R.S.
Consecutive Days Min <= 32 267 days Aug 66-May 67 Galena
Record Maximum Annual Precipitation 81.05 1933 Roland
Record Minimum Annual Precipitation 2.09 1947 Grand View
Record Maximum 24-hour Precipitation 7.17 23 Nov 1909 Rattlesnake Creek
Highest Average Annual Precipitation 48.87 Burke 2 ENE
Lowest Average Annual Precipitation 6.96 Grand View 2 W
Consecutive Days Measurable Precip 36 days Nov-Dec 1998 Fenn R.S.
Consecutive Days with no Measurable Precip 165 days Jun-Nov 1999 Bruneau
Record Maximum Winter Snowfall 441.8 1949-50 Roland West Portal
Record Maximum 1-Day Snowfall 38.0 11 Feb 1959 Sun Valley
Highest Average Annual Snowfall 283.5 Mullan Pass
MONTANA
Record Highest Temperature 117 5 Jul 1937 Medicine Lake
Record Lowest Temperature -70 20 Jan 1954 Rogers Pass
Highest Average Annual Temperature 50.2 Yellowtail Dam
Lowest Average Annual Temperature 33.8 Cooke City
Consecutive Days Max >= 90 38 days Jul-Sep 1922 Crow Agency
Consecutive Days Min <= 32 251 days Sep 70-May 71 West Yellowstone
Record Maximum Annual Precipitation 55.51 1953 Summit
Record Minimum Annual Precipitation 2.97 1960 Belfry
Record Maximum 24-hour Precipitation 11.50 20 Jun 1921 Circle
Highest Average Annual Precipitation 40.80 Many Glacier
Lowest Average Annual Precipitation 9.07 Glen 4 N
Consecutive Days Measurable Precip 33 days Jan-Feb 1953 3 stations
Consecutive Days with no Measurable Precip 147 days Sep 60-Feb 61 Del Bonita
Record Maximum Winter Snowfall 426.0 1964-65 Kings Hill
Record Maximum 1-Day Snowfall 44.0 29 Jan 1972 Summit
Highest Average Annual Snowfall 305.5 Kings Hill
NEVADA
Record Highest Temperature 125 29 Jun 1994* Laughlin
Record Lowest Temperature -50 8 Jan 1937 San Jacinto
Highest Average Annual Temperature 73.5 Laughlin
Lowest Average Annual Temperature 38.9 Wildhorse Reservoir
Consecutive Days Max >= 90 153 days May-Oct 1992 Laughlin
Consecutive Days Min <= 32 232 days Sep 00-May 2001 Wildhorse Reservoir
Record Maximum Annual Precipitation 59.03 1969 Mt. Rose Resort
Record Minimum Annual Precipitation Trace 1898 Hot Springs
Record Maximum 24-hour Precipitation 7.13 31 Jan 1963 Mt. Rose Highway Stn
Highest Average Annual Precipitation 30.60 Mt. Rose Bowl
Lowest Average Annual Precipitation 2.91 Indian Springs
Consecutive Days Measurable Precip 19 days 2 occurrences 2 locations
Consecutive Days with no Measurable Precip 312 days Mar 28-Jan 1929 Mina
Record Maximum Winter Snowfall 323.0 1968-69 Mt. Rose resort
Record Maximum 1-Day Snowfall ?
Highest Average Annual Snowfall 123.1 Daggett Pass
NEW MEXICO
Record Highest Temperature 122 27 Jun 1994 Waste Isoltn Pilot Plt
Record Lowest Temperature -50 1 Feb 1951 Gavilan
Highest Average Annual Temperature 64.4 Waste Isoltn Pilot Plt
Lowest Average Annual Temperature 37.3 Sandia Crest
Consecutive Days Max >= 90 110 days Jun-Sep 1924 Gage 4 ESE
Consecutive Days Min <= 32 256 days Sep 60-May 61 Gascon
Record Maximum Annual Precipitation 62.45 1941 White Tail
Record Minimum Annual Precipitation 1.00 1910 Hermanas
Record Maximum 24-hour Precipitation 11.28 18-19 May 1955 Lake Maloya
Highest Average Annual Precipitation 30.42 Cloudcroft
Lowest Average Annual Precipitation 5.96 Newcomb
Consecutive Days Measurable Precip 26 days Aug-Sep 1963 Wolf Canyon
Consecutive Days with no Measurable Precip 230 days Oct 66-May 67 Engle 14 E
Record Maximum Winter Snowfall 483.0 1911-12 Anchor Mine
Record Maximum 1-Day Snowfall 36.0 12 Mar 1978* Red River
Highest Average Annual Snowfall 147.0 Bateman Ranch
OREGON
Record Highest Temperature 119 10 Aug 1898 Pendleton
Record Lowest Temperature -54 10 Feb 1933* Seneca
Highest Average Annual Temperature 55.3 Illahe
Lowest Average Annual Temperature 38.1 Crater Lake NP
Consecutive Days Max >= 90 74 days Jun-Sep 1967 Ontario
Consecutive Days Min <= 32 209 days 2 occurrences Crater Lake NP
Record Maximum Annual Precipitation 204.04 1996 Laurel Mountain
Record Minimum Annual Precipitation 3.33 1939 Warm Springs Res.
Record Maximum 24-hour Precipitation 11.65 19 Nov 1996 Port Orford
Highest Average Annual Precipitation 130.57 Valsetz
Lowest Average Annual Precipitation 7.16 Fields
Consecutive Days Measurable Precip 79 days Dec 97-Feb 98 Otis
Consecutive Days with no Measurable Precip 141 days May-Sep 1951 Simnasho
Record Maximum Winter Snowfall 835.5 1932-33 Crater Lake NP
Record Maximum 1-Day Snowfall 37.0 17 Jan 1951* Crater Lake NP
Highest Average Annual Snowfall 529.9 Crater Lake NP
PACIFIC ISLANDS
Record Highest Temperature 106 13 Jan 1969* Anguar
Record Lowest Temperature 48 12 Oct 1966 Anguar
Highest Average Annual Temperature 83.2 Canton Island
Lowest Average Annual Temperature 63.9 Kadena AFB Okinawa
Consecutive Days Max >= 90
Consecutive Days Min <= 32
Record Maximum Annual Precipitation 336.26 1997 Paies-Kitti
Record Minimum Annual Precipitation 7.79 1954 Canton Island
Record Maximum 24-hour Precipitation 42.20 8 Sep 1956 Kadena AFB Okinawa
Highest Average Annual Precipitation 220.76 Paies-Kitti
Lowest Average Annual Precipitation 26.30 Johnston Island
Consecutive Days Measurable Precip
Consecutive Days with no Measurable Precip
UTAH
Record Highest Temperature 117 5 Jul 1985 Saint George
Record Lowest Temperature -69 1 Feb 1985 Peter's Sink
Highest Average Annual Temperature 61.1 Zion Nat'l Park
Lowest Average Annual Temperature 34.6 Electra Lake
Consecutive Days Max >= 90 115 days May-Sep 1956 2 locations
Consecutive Days Min <= 32 256 days Sep 94-Jun 95 Brian Head
Record Maximum Annual Precipitation 108.54 1983 Alta
Record Minimum Annual Precipitation 1.34 1974 Myton
Record Maximum 24-hour Precipitation 6.00 (Est) 5 Sep 1970 Bug Point
Highest Average Annual Precipitation 56.19 Alta
Lowest Average Annual Precipitation 4.81 Wendover WSO Ap
Consecutive Days Measurable Precip 30 days Nov-Dec 1983 Alta
Consecutive Days with no Measurable Precip 211 days Oct 03-May 1904 Emery
Record Maximum Winter Snowfall 846.8 1982-83 Alta
Record Maximum 1-Day Snowfall 38.0 1-2 Dec 1982 Alta
Highest Average Annual Snowfall 516.3 Alta
WASHINGTON
Record Highest Temperature 118 5 Aug 1961 Ice Harbor Dam
Record Lowest Temperature -48 30 Dec 1968 Mazama & Winthrop
Highest Average Annual Temperature 55.6 Lower Granite Dam
Lowest Average Annual Temperature 36.5 Mt. Spokane Summit
Consecutive Days Max >= 90 48 days Jul-Aug 1961 Trinidad 2 SSE
Consecutive Days Min <= 32 201 days Oct 36-May 37 Bumping Lake
Record Maximum Annual Precipitation 184.56 1931 Wynoochee Oxbow
Record Minimum Annual Precipitation 2.61 1930 Wahluke
Record Maximum 24-hour Precipitation 14.26 23-24 Nov 1986 Mt. Mitchell #2
Highest Average Annual Precipitation 137.21 Quinalt Rngr Stn
Lowest Average Annual Precipitation 6.84 Priest Rapids Dam
Consecutive Days Measurable Precip 55 days Nov 96-Feb 97 Centralia
Consecutive Days with no Measurable Precip 140 days Apr-Sep 1973 White Swan
Record Maximum Winter Snowfall 1140.0 1998-99 Mount Baker Ski Area
Record Maximum 1-Day Snowfall 52.0 21 Jan 1935 Winthrop
Highest Average Annual Snowfall 680.0 Rainier Paradise RS
WYOMING
Record Highest Temperature 114 12 Jul 1900 Basin
Record Lowest Temperature -66 9 Feb 1933 Riverside R.S.
Highest Average Annual Temperature 49.9 Lingle 2 S
Lowest Average Annual Temperature 30.8 Darwin Ranch
Consecutive Days Max >= 90 41 days Jul-Aug 1964 Basin
Consecutive Days Min <= 32 277 days Oct 67-Jul 68 Kendall
Record Maximum Annual Precipitation 55.46 1945 Grassy Lake Dam
Record Minimum Annual Precipitation 1.28 1960 Lysite
Record Maximum 24-hour Precipitation 6.06 1 Aug 1985 Cheyenne
Highest Average Annual Precipitation 32.31 Snake River
Lowest Average Annual Precipitation 5.11 Lysite
Consecutive Days Measurable Precip 25 days Jan-Feb 1950 Moose
Consecutive Days with no Measurable Precip 180 days Nov 87-Apr 88 Deaver
Record Maximum Winter Snowfall 491.6 1921-22 Bechler River
Record Maximum 1-Day Snowfall 38.0 14 Mar 1973 Burgess Junction
Highest Average Annual Snowfall 270.1 Snake River
(*) Also at earlier dates at the same time or other places.