| State | Temp. °F | Temp. °C | Date | Station | Elevation in feet |
|---|---|---|---|---|---|
| Alabama | 112 | 44 | Sept. 5, 1925 | Centerville | 345 |
| Alaska | 100 | 38 | June 27, 1915 | Fort Yukon | est. 420 |
| Arizona | 128 | 53 | June 29, 1994 | Lake Havasu City | 505 |
| Arkansas | 120 | 49 | Aug. 10, 1936 | Ozark | 396 |
| California | 134 | 57 | July 10, 1913 | Greenland Ranch | -178 |
| Colorado | 118 | 48 | July 11, 1888 | Bennett | 5,484 |
| Connecticut | 106 | 41 | July 15, 1995 | Danbury | 450 |
| Delaware | 110 | 43 | July 21, 1930 | Millsboro | 20 |
| D.C. | 106 | 41 | July 20, 1930 | Washington | 410 |
| Florida | 109 | 43 | June 29, 1931 | Monticello | 207 |
| Georgia | 112 | 44 | Aug. 20, 1983 | Greenville | 860 |
| Hawaii | 100 | 38 | Apr. 27, 1931 | Pahala | 850 |
| Idaho | 118 | 48 | July 28, 1934 | Orofino | 1,027 |
| Illinois | 117 | 47 | July 14, 1954 | E. St. Louis | 410 |
| Indiana | 116 | 47 | July 14, 1936 | Collegeville | 672 |
| Iowa | 118 | 48 | July 20, 1934 | Keokuk | 614 |
| Kansas | 121 | 49 | July 24, 19361 | Alton (near) | 1,651 |
| Kentucky | 114 | 46 | July 28, 1930 | Greensburg | 581 |
| Louisiana | 114 | 46 | Aug. 10, 19361 | Plain Dealing | 268 |
| Maine | 105 | 41 | July 10, 19111 | North Bridgton | 450 |
| Maryland | 109 | 43 | July 10, 19361 | Cumberland & Frederick | 623; 325 |
| Massachusetts | 107 | 42 | Aug. 2, 1975 | New Bedford & Chester | 120; 640 |
| Michigan | 112 | 44 | July 13, 1936 | Mio | 963 |
| Minnesota | 114 | 46 | July 6, 19361 | Moorhead | 904 |
| Mississippi | 115 | 46 | July 29, 1930 | Holly Springs | 600 |
| Missouri | 118 | 48 | July 14, 19541 | Warsaw & Union | 705; 560 |
| Montana | 117 | 47 | July 5, 1937 | Medicine Lake | 1,950 |
| Nebraska | 118 | 48 | July 24, 19361 | Minden | 2,169 |
| Nevada | 125 | 52 | June 29, 1994 | Laughlin | 605 |
| New Hampshire | 106 | 41 | July 4, 1911 | Nashua | 125 |
| New Jersey | 110 | 43 | July 10, 1936 | Runyon | 18 |
| New Mexico | 122 | 50 | June 27, 1994 | Waste Isolat. Pilot Pit | 3,418 |
| New York | 108 | 42 | July 22, 1926 | Troy | 35 |
| North Carolina | 110 | 43 | Aug. 21, 1983 | Fayetteville | 213 |
| North Dakota | 121 | 49 | July 6, 1936 | Steele | 1,857 |
| Ohio | 113 | 45 | July 21, 19341 | Gallipolis (near) | 673 |
| Oklahoma | 120 | 49 | June 27, 19941 | Tipton | 1,350 |
| Oregon | 119 | 48 | Aug. 10, 1898 | Pendleton | 1,074 |
| Pennsylvania | 111 | 44 | July 10, 19361 | Phoenixville | 100 |
| Rhode Island | 104 | 40 | Aug. 2, 1975 | Providence | 51 |
| South Carolina | 111 | 44 | June 28, 19541 | Camden | 170 |
| South Dakota | 120 | 49 | July 5, 1936 | Gannvalley | 1,750 |
| Tennessee | 113 | 45 | Aug. 9, 19301 | Perryville | 377 |
| Texas | 120 | 49 | Aug. 12, 1936 | Seymour | 1,291 |
| Utah | 117 | 47 | July 5, 1895 | Saint George | 2,880 |
| Vermont | 105 | 41 | July 4, 1911 | Vernon | 310 |
| Virginia | 110 | 43 | July 15, 1954 | Balcony Falls | 725 |
| Washington | 118 | 48 | Aug. 5, 19611 | Ice Harbor Dam | 475 |
| West Virginia | 112 | 44 | July 10, 19361 | Martinsburg | 435 |
| Wisconsin | 114 | 46 | July 13, 1936 | Wisconsin Dells | 900 |
| Wyoming | 114 | 46 | July 12, 1900 | Basin | 3,500 |
| State | Temp. °F | Temp. °C | Date | Station | Elevation in feet |
|---|---|---|---|---|---|
| Alabama | –27 | –33 | Jan. 30, 1966 | New Market | 760 |
| Alaska | –80 | –62 | Jan. 23, 1971 | Prospect Creek Camp | 1,100 |
| Arizona | –40 | –40 | Jan. 7, 1971 | Hawley Lake | 8,180 |
| Arkansas | –29 | –34 | Feb. 13, 1905 | Pond | 1,250 |
| California | –45 | –43 | Jan. 20, 1937 | Boca | 5,532 |
| Colorado | –61 | –52 | Feb. 1, 1985 | Maybell | 5,920 |
| Connecticut | –32 | –36 | Feb. 16, 1943 | Falls Village | 585 |
| Delaware | –17 | –27 | Jan. 17, 1893 | Millsboro | 20 |
| D.C. | –15 | –26 | Feb. 11, 1899 | Washington | 410 |
| Florida | –2 | –19 | Feb. 13, 1899 | Tallahassee | 193 |
| Georgia | –17 | –27 | Jan. 27, 1940 | CCC Camp F-16 | est. 1,000 |
| Hawaii | 12 | –11 | May 17, 1979 | Mauna Kea | 13,770 |
| Idaho | –60 | –51 | Jan. 18, 1943 | Island Park Dam | 6,285 |
| Illinois | –36 | –38 | Jan. 5, 1999 | Congerville | 635 |
| Indiana | –36 | –38 | Jan. 19, 1994 | New Whiteland | 785 |
| Iowa | –47 | –44 | Feb. 3, 1996 | Elkader | 770 |
| Kansas | –40 | –40 | Feb. 13, 1905 | Lebanon | 1,812 |
| Kentucky | –37 | –38 | Jan. 19, 1994 | Shelbyville | 730 |
| Louisiana | –16 | –27 | Feb. 13, 1899 | Minden | 194 |
| Maine | –48 | –44 | Jan. 19, 1925 | Van Buren | 510 |
| Maryland | –40 | –40 | Jan. 13, 1912 | Oakland | 2,461 |
| Massachusetts | –35 | –37 | Jan. 12, 1981 | Chester | 640 |
| Michigan | –51 | –46 | Feb. 9, 1934 | Vanderbilt | 785 |
| Minnesota | –60 | –51 | Feb. 2, 1996 | Tower | 1,460 |
| Mississippi | –19 | –28 | Jan. 30, 1966 | Corinth | 420 |
| Missouri | –40 | –40 | Feb. 13, 1905 | Warsaw | 700 |
| Montana | –70 | –57 | Jan. 20, 1954 | Rogers Pass | 5,470 |
| Nebraska | –47 | –44 | Feb. 12, 1899 | Camp Clarke | 3,700 |
| Nevada | –50 | –46 | Jan. 8, 1937 | San Jacinto | 5,200 |
| New Hampshire | –47 | –44 | Jan. 29, 1934 | Mt. Washington | 6,262 |
| New Jersey | –34 | –37 | Jan. 5, 1904 | River Vale | 70 |
| New Mexico | –50 | –46 | Feb. 1, 1951 | Gavilan | 7,350 |
| New York | –52 | –47 | Feb. 18, 19791 | Old Forge | 1,720 |
| North Carolina | –34 | –37 | Jan. 21, 1985 | Mt. Mitchell | 6,525 |
| North Dakota | –60 | –51 | Feb. 15, 1936 | Parshall | 1,929 |
| Ohio | –39 | –39 | Feb. 10, 1899 | Milligan | 800 |
| Oklahoma | –27 | –33 | Jan. 18, 1930 | Watts | 958 |
| Oregon | –54 | –48 | Feb. 10, 19331 | Seneca | 4,700 |
| Pennsylvania | –42 | –41 | Jan. 5, 1904 | Smethport | est. 1,500 |
| Rhode Island | –23 | –31 | Jan. 11, 1942 | Kingston | 100 |
| South Carolina | –19 | –28 | Jan. 21, 1985 | Caesars Head | 3,115 |
| South Dakota | –58 | –50 | Feb. 17, 1936 | McIntosh | 2,277 |
| Tennessee | –32 | –36 | Dec. 30, 1917 | Mountain City | 2,471 |
| Texas | –23 | –31 | Feb. 8, 19331 | Seminole | 3,275 |
| Utah | –69 | –56 | Feb. 1, 1985 | Peter's Sink | 8,092 |
| Vermont | –50 | –46 | Dec. 30, 1933 | Bloomfield | 915 |
| Virginia | –30 | –34 | Jan. 22, 1985 | Mountain Lake | 3,870 |
| Washington | –48 | –44 | Dec. 30, 1968 | Mazama & Winthrop | 2,120; 1,765 |
| West Virginia | –37 | –38 | Dec. 30, 1917 | Lewisburg | 2,200 |
| Wisconsin | –55 | –48 | Feb. 4, 1996 | Couderay | 1,300 |
| Wyoming | –66 | –54 | Feb. 9, 1933 | Riverside R.S. | 6,500 |