| No. | Location | Temp |
| 1 | Las Vegas, Mccarran International Airport (United States) | 111.0° F |
| 2 | Phoenix, Phoenix Sky Harbor International Airport (United States) | 109.9° F |
| 3 | Bakersfield, Meadows Field Airport (United States) | 108.0° F |
| 4 | Fresno, Fresno Air Terminal (United States) | 107.1° F |
| 5 | Mercury, Desert Rock Airport (United States) | 105.1° F |
| 6 | Kingman, Kingman Airport (United States) | 102.9° F |
| 7 | Bishop, Bishop Airport (United States) | 102.0° F |
| 8 | Redding, Redding Municipal Airport (United States) | 102.0° F |
| 9 | Stockton, Stockton Metropolitan Airport (United States) | 102.0° F |
| 10 | Tucson, Az (United States) | 102.0° F |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| No. | Location | Temp |
| 1 | Mount Washington (United States) | 42.1° F |
| 2 | Burns, Burns Municipal Airport (United States) | 43.0° F |
| 3 | Missoula, Missoula International Airport (United States) | 44.1° F |
| 4 | Adak Island, Adak Airport (United States) | 45.0° F |
| 5 | Olympia, Olympia Airport (United States) | 45.0° F |
| 6 | Great Falls, Mt. (United States) | 46.0° F |
| 7 | King Salmon, King Salmon Airport (United States) | 48.0° F |
| 8 | Nome, Nome Airport (United States) | 48.0° F |
| 9 | Yakima, Yakima Air Terminal (United States) | 48.0° F |
| 10 | Aniak, Aniak Airport (United States) | 48.9° F |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| No. | Location | Precip |
| 1 | Las Vegas, Mccarran International Airport (United States) | 1.54 in |
| 2 | Phoenix, Phoenix Sky Harbor International Airport (United States) | 1.41 in |
| 3 | Mercury, Desert Rock Airport (United States) | 1.37 in |
| 4 | Kingman, Kingman Airport (United States) | 1.30 in |
| 5 | Bakersfield, Meadows Field Airport (United States) | 1.30 in |
| 6 | Page, Page Municipal Airport (United States) | 1.26 in |
| 7 | Fresno, Fresno Air Terminal (United States) | 1.25 in |
| 8 | Key West, Key West International Airport (United States) | 1.21 in |
| 9 | El Paso, El Paso International Airport (United States) | 1.21 in |
| 10 | Tucson, Az (United States) | 1.20 in |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| Warning: Many data filters have been introduced to the above data. Use caution with this data as some extreme values can be erroneous due to unsuspected errors in synop reports. All data should be verified. Note that the values we listed here are from international released synop reports, and for certain there will be other extreme values not in this list |