Station | County | Data Began |
Fort Defiance | Apache | December 1, 1851 |
Camp Crittenden | Santa Cruz | December 1856 |
Fort Mohave | Mohave | June 1859 |
Fort Grant | Graham | December 1, 1860 |
Camp Goodwin | Graham | August 1864 |
Fort Whipple (Prescott) | Yavapai | January 1865 |
Fort McDowell | Maricopa | September 1, 1866 |
Camp Wallen | Cochise | November 1866 |
Camp Date Creek | Yavapai | January 1867 |
Fort Bowie | Cochise | August 1, 1867 |
Camp Willow Grove | Mohave | November 1867 |
Camp Reno | Gila | February 1, 1868 |
Fort Verde (Camp Verde) | Yavapai | February 1, 1868 |
Camp Hualapai | Yavapai | December 1869 |
Fort Yuma | Yuma | January 1, 1870 |
ELEVATION OF AIRPORT | 1128 Feet |
ELEVATION OF IVORY TIP OF BAROMETER | 1109.31 |
ELEVATION OF STATION PRESSURE | 1107 |
ELEVATION OF GROUND AT HYGROTHERMOMETER | 1110 |
ELEVATION OF GROUND AT WIND VANE AND ANEMOMETER | 1110 |
ELEVATION OF CLIMATOLOGICAL STATION | 1107 |
ELEVATION OF GROUND AT OFFICE | 1106 |
ELEVATION OF HYGROTHERMOMETER | Above Ground, 5 |
ELEVATION OF WIND VANE AND ANEMOMETER | Above Ground, 33 |
ELEVATION OF SUNSHINE SWITCH | Above Ground, 7 |
ELEVATION OF PYRANOMETER | Above Ground, 6 |
ELEVATION OF RAIN GAGE | Above Ground, 5 |
Month | MAXIMUM | MINIMUM | MEAN |
January | 65.9 | 41.2 | 53.6 |
February | 70.7 | 44.7 | 57.7 |
March | 75.5 | 48.8 | 62.2 |
April | 84.5 | 55.3 | 69.9 |
May | 93.6 | 63.9 | 78.8 |
June | 103.5 | 72.9 | 88.2 |
July | 105.9 | 81.0 | 93.5 |
August | 103.7 | 79.2 | 91.5 |
September | 98.3 | 72.8 | 85.6 |
October | 88.1 | 60.8 | 74.5 |
November | 74.9 | 48.9 | 61.9 |
December | 66.2 | 41.8 | 54.1 |
Annual | 85.9 | 59.3 | 72.6 |
Month | HIGHEST | YEAR | LOWEST | YEAR |
January | 61.4 | 1986 | 43.2 | 1937 |
February | 66.0 | 1991 | 48.6 | 1939 |
March | 70.6 | 1972 | 54.3 | 1897 |
April | 80.1 | 1989 | 62.4 | 1967 |
May | 87.0 | 1984 | 69.0 | 1917 |
June | 93.8 | 1990 | 79.0 | 1965 |
July | 97.4 | 1989 | 85.4 | 1912 |
August | 95.8 | 1981 | 84.6 | 1918 |
September | 91.0 | 1983 | 78.9 | 1900, 1912 |
October | 82.4 | 1988 | 66.2 | 1916 |
November | 66.6 | 1995 | 55.0 | 1922 |
December | 61.3 | 1980 | 46.6 | 1911 |
Annual | 77.0 | 1989 | 67.8 | 1964 |
MEAN MAXIMUM | MEAN MINIMUM | ||||||||
HIGHEST | YEAR | LOWEST | YEAR | HIGHEST | YEAR | LOWEST | YEAR | ||
January | 74.2 | 1986 | 53.5 | 1949 | 49.8 | 1993 | 31.9 | 1937 | |
February | 78.7 | 1991 | 60.5 | 1939 | 53.2 | 1991 | 33.4 | 1964 | |
March | 86.7 | 1972 | 67.3 | 1897 1958 | 57.2 | 1986 | 40.3 | 1917 | |
April | 94.2 | 1989 | 75.1 | 1900 | 65.9 | 1989 | 47.5 | 1967 | |
May | 101.2 | 1984 | 83.7 | 1917 | 72.8 | 1984 | 54.2 | 1917 | |
June | 108.6 | 1974 | 96.0 | 1967 | 80.8 | 1981 | 60.6 | 1965 | |
July | 109.8 | 1989 | 97.7 | 1912 | 85.0 | 1989 | 73.1 | 1912 1913 | |
August | 107.3 | 1962 | 97.0 | 1955 | 84.7 | 1981 | 71.3 | 1900 | |
September | 103.8 | 1979 | 93.6 | 1900 | 80.6 | 1983 | 63.6 | 1912 1965 | |
October | 95.8 | 1952 | 80.7 | 1919 | 70.3 | 1988 | 50.8 | 1923 | |
November | 82.3 | 1949 | 68.5 | 1931 | 54.6 | 1995 | 37.3 | 1916 | |
December | 74.9 | 1980 | 59.2 | 1909 | 48.2 | 1977 1991 | 32.6 | 1916 | |
Annual | 89.8 | 1989 | 78.8 | 1953 | 64.1 | 1989 | 53.1 | 1917 |
HIGHEST | LOWEST | |||||
MAXIMUM | DAY | YEAR | MINIMUM | DAY | YEAR | |
January | 88 | 19 | 1971 | 16 | 7 | 1913 |
February | 92 | 25 27 | 1921 1986 | 24 | 7 8 | 1899 1933 |
March | 100 | 26 | 1988 | 25 | 4 | 1966 |
April | 105 | 20 29 | 1989 1992 | 35 | 10 | 1922 |
May | 114 | 30 | 1910 | 39 | 3 | 1899 |
June | 122 | 26 | 1990 | 49 | 4 | 1908 |
July | 121 | 28 | 1995 | 63 | 4 5 | 1912 1912 |
August | 116 | 1 4 | 1972 1975 | 58 | 20 | 1917 |
September | 116 | 1 | 1950 | 47 | 22 20 21 | 1895 1965 1965 |
October | 107 | 1 2 | 1980 1980 | 34 | 30 | 1971 |
November | 96 | 1 2 | 1924 1924 | 27 | 23 | 1931 |
December | 87 | 10 | 1950 | 22 | 31 26 | 1900 1911 |
Annual | 122 | JUN 26 | 1990 | 16 | JAN 7 | 1913 |
LOWEST | HIGHEST | ||||||
MAXIMUM | DAY | YEAR | MINIMUM | DAY | YEAR | ||
January | 39 | 6 21 | 1913 1937 | 61 | 27 | 1988 | |
February | 46 | 6 8 | 1899 1903 | 65 | 21 | 1996 | |
March | 49 | 2 | 1915 | 74 | 28 | 1986 | |
April | 52 | 1 | 1949 | 77 | 27 | 1987 | |
May | 54 | 1 | 1915 | 86 | 29 | 1983 | |
June | 68 | 2 | 1899 | 93 | 27 | 1990 | |
July | 79 | 1 | 1911 | 93 | 20 | 1989 | |
August | 73 | 27 | 1951 | 92 | 10 | 1995 | |
September | 66 | 23 | 1895 | 90 | 3 3 | 1982 1983 | |
October | 56 | 30 | 1959 | 82 | 1 | 1987 | |
November | 40 | 28 | 1919 | 71 | 1 | 1988 | |
December | 36 | 10 | 1898 | 59 | 1 | 1949 | |
Annual | 36 | DEC 10 | 1898 | 93 | JUN 27 JUL 20 | 1990 1989 |
GREATEST | LEAST | |||
RANGE | YEAR | RANGE | YEAR | |
January | 69 | 1971 | 33 | 1995 |
February | 61 | 1921 | 31 | 1993 |
March | 67 | 1966 | 35 | 1980 |
April | 62 | 1949 | 44 | 1931 |
May | 66 | 1910 | 40 | 1981 |
June | 63 | 1929 | 38 | 1986 |
July | 50 | 1905 | 33 | 1959 1981 |
August | 51 | 1918 1962 | 31 | 1955 |
September | 58 | 1945 | 35 | 1981 |
October | 66 | 1917 | 33 | 1983 |
November | 67 | 1931 | 38 | 1986 |
December | 58 | 1911 | 35 | 1992 |
Annual | 96 | 1990 | 77 | 1984 1991 1992 |
HOTTEST | Year | COOLEST | Year |
93.4 | 1981 | 84.1 | 1912 |
93.3 | 1989 | 84.2 | 1913 |
92.7 | 1988 | 84.4 | 1923 |
92.1 | 1994 | 84.6 | 1965 |
92.0 | 1977 | 85.1 | 1964 |
HOTTEST THREE SUCCESSIVE MONTHS | HOTTEST TWO SUCCESSIVE MONTHS | |||
Temp | (Combination) | Temp | (Combination) | |
94.8 | June, July, August 1981 | 95.6 | July, August 1989 | |
94.4 | June, July, August 1988 | 95.5 | July, August 1981 | |
94.4 | June, July, August 1989 | 95.1 | July, August 1988 | |
93.9 | June, July, August 1985 | 94.8 | July, August 1991 | |
93.8 | June, July, August 1994 | 94.7 | July, August 1985 | |
93.5 | June, July, August 1977 | 94.6 | July, August 1977 | |
93.2 | June, July, August 1986 | 94.6 94.6 94.6 | July, August 1994 July August 1995 July, August 1995 |
Temperature | Month | Year |
97.4 | July | 1989 |
96.2 | July | 1988 |
95.8 | August | 1981 |
95.6 | July | 1980 |
95.5 | July | 1983 |
95.3 | August | 1994 |
WARMEST | Year | COLDEST | Year | |
60.6 | 1980-1981 | 49.3 | 1963-1964 | |
59.4 | 1985-1986 | 49.8 | 1948-1949 | |
58.6 | 1991-1992 | 50.0 | 1916-1917 | |
58.5 | 1990-1991 | 52.2 | 1945-1946 |
COLDEST TWO SUCCESSIVE MONTHS | COLDEST MONTH | ||||
48.0 | January, February | 1964 | 43.2 | January 1937 | |
48.2 | December, January | 1936-1937 | 44.6 | January 1949 | |
48.3 | December, January | 1948-1949 | 46.6 | December 1911 | |
48.4 | December, January | 1931-1932 | 47.0 | January 1932 | |
48.7 | January, February | 1949 | 47.1 | December 1916 |
Dew Point (F) | Month | Day | Year |
79 | July | 19 | 1957 |
78 | August | 9 | 1977 |
78 | August | 20 | 1978 |
77 | August | 1 | 1951 |
76 | July | 10 | 1899 |
76 | August | 10 | 1913 |
76 | August | 4 | 1943 |
76 | July | 31 | 1945 |
76 | July | 17 | 1953 |
76 | July | 22 | 1966 |
76 | August | 19 | 1966 |
Dew Point (F) | Month | Day | Year |
74 | August | 4 | 1943 |
73 | August | 19 | 1966 |
Dew Point (F) | Month | Year |
68 | August | 1955 |
67 | August | 1943 |
Dew Point (F) | Month | Day | Year |
-23 | November | 28 | 1976 |
-22 | December | 21 | 1977 |
-15 | January | 29 | 1970 |
-14 | February | 2 | 1972 |
-13 | Februrary | 3 | 1972 |
-13 | April | 13 | 1974 |
-12 | March | 10 | 1977 |
-11 | February | 4 | 1972 |
Dew Point (F) | Month | Day | Year |
-10 | December | 21 | 1977 |
-5 | February | 3 | 1972 |
Dew Point (F) | Month | Year |
20 | February | 1972 |
21 | March | 1977 |
Relative Humidity (%) | Month | Day | Year |
2 | May | 8 | 1904 |
2 | May | 16 | 1907 |
2 | May | 13 | 1976 |
2 | December | 21 | 1977 |
2 | April | 21 | 1979 |
2 | June | 4 | 1982 |
TEMPERATURE | DEW POINT | HUMIDITY | HEAT INDEX |
100 | 75 | 45 | 112 |
101 | 74 | 43 | 112 |
102 | 69 | 35 | 110 |
103 | 69 | 34 | 110 |
104 | 68 | 32 | 111 |
105 | 69 | 32 | 113 |
106 | 67 | 29 | 112 |
107 | 66 | 27 | 112 |
108 | 68 | 28 | 116 |
109 | 66 | 26 | 116 |
110 | 62 | 22 | 113 |
111 | 63 | 22 | 116 |
112 | 59 | 18 | 113 |
113 | 59 | 18 | 115 |
114 | 57 | 16 | 114 |
115 | 56 | 15 | 115 |
116 | 56 | 15 | 117 |
117 | 56 | 14 | 117 |
118 | 56 | 14 | 118 |
5-Year Interval | Temperature | Relative Humidity |
1896-1900 | 69.8 | 38 |
1901-1905 | 70.1 | 39 |
1906-1910 | 69.7 | 44 |
1911-1915 | 68.9 | 44 |
1916-1920 | 68.9 | 48 |
1921-1925 | 70.2 | 44 |
1926-1930 | 70.9 | 41 |
1931-1935 | 71.8 | 40 |
1956-1960 | 71.3 | 40 |
1936-1940 | 71.9 | 47 |
1941-1945 | 70.5 | 41 |
1946-1950 | 71.3 | 43 |
1951-1955 | 71.0 | 41 |
1961-1965 | 69.6 | 38 |
1966-1970 | 70.7 | 40 |
1971-1975 | 71.8 | 35 |
1976-1980 | 73.5 | 46 |
1981-1985 | 74.3 | 39 |
1986-1990 | 75.8 | 34 |
1991-1995 | 74.6 | 37 |