A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >
| Temperature(°F) | Date |
|---|---|
| 113 | July 15, 1936 |
| 110 | July 14, 1936 |
| 109 | July 13, 1936 |
| 108 | July 11, 1936 |
| 107 | July 27, 1930 July 12, 1936 |
| Dew Point (°F) | Date |
|---|---|
| 83 | August 24, 2023 July 24, 2016 August 27, 1990 |
| 82 | July 27, 2023 July 20, 2017 July 13, 1995 |
| Heat Index (°F) | Date |
|---|---|
| 121 | August 24, 2023 |
| 119 | July 13, 1995 |
| 117 | July 29, 1999 July 12, 1980 |
| 116 | July 24, 2016 July 13, 1981 |
| 115 | July 19, 2011 July 12, 1995 August 27, 1990 July 28, 1983 July 14, 1980 July 7, 1980 |
| NOTE: Based on hourly temperature and dew point observations, since this is not directly measured. | |
| Rank | Most | Year | Rank | Least | Year |
|---|---|---|---|---|---|
| 1 | 69 | 1887 | 1 (tie) | 4 | 2004 |
| 2 | 64 | 1936 | 1 (tie) | 4 | 1950 |
| 3 | 62 | 1933 | 1 (tie) | 4 | 1915 |
| 4 | 60 | 1901 | 4 (tie) | 6 | 2009 |
| 5 (tie) | 59 | 1913 | 4 (tie) | 6 | 1951 |
| 5 (tie) | 59 | 1895 | 6 (tie) | 7 | 1992 |
| 7 | 58 | 1899 | 6 (tie) | 7 | 1981 |
| 8 | 57 | 1934 | 6 (tie) | 7 | 1958 |
| 9 | 56 | 1988 | 6 (tie) | 7 | 1907 |
| Most Days | Year | Longest Period Below 100° |
Dates |
|---|---|---|---|
| 23 | 1936 | 4,802 days * |
July 26, 2012 to September 18, 2025 |
| 18 | 1934 | 4,373 days | July 19, 1954 to July 9, 1966 |
| 11 | 1887 | 3,662 days | July 14, 1995 to July 23, 2005 |
| 10 | 1983 | 2,518 days | August 19, 1988 to July 12, 1995 |
| 9 | 1913, 1930, 1931, 1988 |
2,516 days | July 18, 1904 to June 8, 1911 |
* active streak
| Number of Days | Dates |
|---|---|
| 21 | July 11-31, 1916 |
| 20 | July 9-28, 1901 |
| 18 | July 17-August 3, 1987 |
| 17 | July 5-21, 1887 |
| 17 | July 2-18, 1936 |
| 17 | August 11-27, 1936 |
| Number of Days | Dates |
|---|---|
| 14 | July 4-17, 1936 |
| 7 | June 26-July 1, 1931 |
| 6 | July 20-25, 1934 |
| 5 | July 21-25, 1901 |
| 5 | July 26-30, 1916 |
| Date | High Temperature (°F) |
|---|---|
| July 25, 2012 | 102 |
| July 23, 2012 | 104 |
| July 7, 2012 | 104 |
| July 6, 2012 | 103 |
| Temperature (°F) | Earliest 1st Occurrence | Latest 1st Occurrence | Latest Last Occurrence |
|---|---|---|---|
| 70 | Jan. 23, 1909 | Apr. 27, 1951 | Dec. 28, 1984 |
| 80 | Mar. 12, 1990 | May 30, 1995 | Nov. 1, 1888, 1933, 1937, 1950, 2000 |
| 90 | Apr. 10, 1930 | Aug. 14, 2000 | Oct. 15, 1897 |
| 100 | May 31, 1934 | Several years without 100° |
Sep. 15, 1939 |
| Month | 90° Days | Years | 100° Days | Years |
|---|---|---|---|---|
| April | 2 days | 1894, 1899, 1930, 1986 | None | N/A |
| May | 10 days | 1934 | 1 day | 1934 |
| June | 22 days | 1933 | 8 days | 1934 |
| July | 26 days | 1887, 1901, 2012 | 17 days | 1936 |
| August | 23 days | 1947 | 6 days | 1988 |
| September | 13 days | 1897 | 3 days | 1899, 1939 |
| October | 3 days | 1922 | None | N/A |
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