WW2-Era Weather Data - 10 Apr 1940
| Country/Possession | Station | Latitude | Longitude | Elevation (m) | Elevation (ft) | Precipitation (mm) | Precipitation (in) | Snowfall (mm) | Snowfall (in) | Peak Gust Speed (km/hr) | Peak Gust Speed (knots) | Peak Gust Direction (degrees) | Minimum Temperature (C) | Minimum Temperature (F) | Maximum Temperature (C) | Maximum Temperature (F) |
| United States | Philadelphia | 39.953 | -75.164 | 12.000 | 39 | 0.000 | 0.000 | 0.00 | 0.0 | 4 | 40 | 16 | 60 | |||
| Panama Canal Zone | Balboa/Albrook | 8.967 | -79.5 | 2.743 | 9 | 0.000 | 0.000 | 0.00 | 0.0 | 0.000 | 0 | 0 | 24 | 76 | 33 | 91 |
| Hawaii | Molokai | 21.15 | -157.033 | 12.802 | 42 | 15.494 | 0.610 | 0.00 | 0.0 | 0.000 | 0 | 0 | 17 | 63 | 27 | 81 |
| Hawaii | Hickam | 21.333 | -157.9 | 0.914 | 3 | 5.842 | 0.230 | 0.00 | 0.0 | 0.000 | 0 | 0 | 21 | 69 | 29 | 84 |
| Hawaii | Wheeler | 21.483 | -158.05 | 82.601 | 271 | 3.810 | 0.150 | 0.00 | 0.0 | 0.000 | 0 | 0 | 19 | 66 | 24 | 76 |
| Hawaii | Burns Field | 21.9 | -159.567 | 2.743 | 9 | 1.270 | 0.050 | 0.00 | 0.0 | 0.000 | 0 | 0 | 18 | 65 | 29 | 85 |
Sources:
Phillyweather
NOAA National Center for Environmental Information