Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Cloud Ceiling (% less than altitude) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Date and Time | Temp (°F) | STDV Temp (°F) | Dew Pt (°F) | STDV Dew Pt (°F) | Pressure (mb) | STDV Pressure (mb) | Wind (mph) | STDV Wind (mph) | 10000 (ft) | 5000 (ft) | 2000 (ft) | 1000 (ft) | 500 (ft) | 100 (ft) | 4-1 00:00:00 | 45.1 | ± 11.7 | 29.7 | ± 12.6 | 1014.1 | ± 7.6 | 8.3 | ± 3.7 | 67 | 58 | 42 | 4-1 01:00:00 | 43.7 | ± 11.3 | 30.7 | ± 11.0 | 1014.7 | ± 7.3 | 7.9 | ± 3.5 | 58 | 50 | 42 | 17 | 4-1 02:00:00 | 42.5 | ± 11.0 | 30.1 | ± 10.9 | 1015.0 | ± 7.2 | 8.3 | ± 3.3 | 58 | 50 | 33 | 17 | 4-1 03:00:00 | 41.5 | ± 10.8 | 29.6 | ± 12.1 | 1014.9 | ± 7.1 | 7.9 | ± 3.7 | 58 | 58 | 42 | 17 | 4-1 04:00:00 | 40.6 | ± 10.6 | 30.0 | ± 10.8 | 1014.9 | ± 7.3 | 7.5 | ± 4.6 | 58 | 58 | 50 | 17 | 8 | 4-1 05:00:00 | 40.0 | ± 10.5 | 29.7 | ± 10.2 | 1014.7 | ± 7.4 | 7.5 | ± 4.4 | 67 | 67 | 50 | 17 | 8 | 4-1 06:00:00 | 39.1 | ± 10.2 | 28.9 | ± 11.6 | 1014.7 | ± 7.6 | 7.4 | ± 5.0 | 58 | 50 | 50 | 17 | 4-1 07:00:00 | 38.5 | ± 10.4 | 29.4 | ± 10.1 | 1014.3 | ± 7.9 | 7.7 | ± 4.2 | 58 | 58 | 50 | 25 | 8 | 8 | 4-1 08:00:00 | 38.0 | ± 9.9 | 29.2 | ± 9.4 | 1014.1 | ± 7.9 | 7.2 | ± 4.2 | 75 | 58 | 50 | 17 | 8 | 8 | 4-1 09:00:00 | 37.4 | ± 9.9 | 28.6 | ± 10.8 | 1013.9 | ± 8.0 | 7.7 | ± 5.0 | 75 | 58 | 25 | 8 | 4-1 10:00:00 | 36.9 | ± 9.8 | 28.9 | ± 9.6 | 1014.1 | ± 8.3 | 7.1 | ± 5.4 | 75 | 42 | 33 | 17 | 4-1 11:00:00 | 36.6 | ± 9.7 | 28.8 | ± 9.5 | 1014.5 | ± 8.5 | 6.7 | ± 5.0 | 92 | 67 | 33 | 17 | 8 | 4-1 12:00:00 | 37.6 | ± 9.7 | 29.3 | ± 10.2 | 1014.7 | ± 8.8 | 7.0 | ± 5.0 | 83 | 50 | 33 | 8 | 4-1 13:00:00 | 39.5 | ± 9.3 | 30.9 | ± 9.4 | 1014.8 | ± 9.1 | 8.0 | ± 6.0 | 92 | 75 | 50 | 8 | 4-1 14:00:00 | 40.9 | ± 8.2 | 30.3 | ± 9.2 | 1014.8 | ± 9.2 | 7.7 | ± 5.3 | 100 | 83 | 17 | 4-1 15:00:00 | 43.9 | ± 9.4 | 30.9 | ± 10.5 | 1014.5 | ± 9.3 | 9.7 | ± 5.4 | 92 | 83 | 17 | 4-1 16:00:00 | 45.7 | ± 9.9 | 31.4 | ± 10.5 | 1014.0 | ± 9.2 | 10.2 | ± 5.6 | 75 | 75 | 8 | 4-1 17:00:00 | 47.2 | ± 10.0 | 31.1 | ± 10.8 | 1013.5 | ± 9.2 | 10.8 | ± 5.6 | 83 | 67 | 8 | 4-1 18:00:00 | 48.6 | ± 10.1 | 31.2 | ± 11.0 | 1013.1 | ± 9.3 | 11.2 | ± 7.1 | 75 | 75 | 17 | 4-1 19:00:00 | 49.2 | ± 10.2 | 31.1 | ± 11.7 | 1012.6 | ± 8.9 | 12.2 | ± 7.0 | 67 | 58 | 17 | 8 | 4-1 20:00:00 | 49.7 | ± 10.0 | 30.8 | ± 11.3 | 1012.2 | ± 8.9 | 11.8 | ± 6.1 | 83 | 67 | 33 | 8 | 8 | 4-1 21:00:00 | 49.5 | ± 10.4 | 30.6 | ± 11.5 | 1012.1 | ± 8.8 | 11.5 | ± 6.2 | 83 | 75 | 33 | 8 | 8 | 4-1 22:00:00 | 48.8 | ± 10.0 | 30.5 | ± 12.2 | 1012.4 | ± 8.5 | 11.4 | ± 5.4 | 83 | 67 | 33 | 17 | 17 | 4-1 23:00:00 | 47.7 | ± 9.7 | 30.2 | ± 12.3 | 1012.7 | ± 8.3 | 9.7 | ± 4.7 | 83 | 67 | 33 | 8 | 8 | 8 |