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) | 4-30 00:00:00 | 59.3 | ± 9.3 | 39.8 | ± 11.4 | 1014.2 | ± 5.9 | 8.4 | ± 3.9 | 67 | 45 | 9 | 3 | 4-30 01:00:00 | 57.4 | ± 8.9 | 40.0 | ± 11.3 | 1014.7 | ± 5.7 | 7.8 | ± 4.3 | 64 | 39 | 9 | 6 | 4-30 02:00:00 | 55.7 | ± 8.5 | 39.4 | ± 11.2 | 1014.8 | ± 5.7 | 7.2 | ± 3.3 | 58 | 30 | 9 | 3 | 4-30 03:00:00 | 54.0 | ± 8.2 | 40.2 | ± 10.9 | 1014.6 | ± 5.7 | 6.6 | ± 3.8 | 45 | 30 | 12 | 9 | 4-30 04:00:00 | 52.7 | ± 8.5 | 40.2 | ± 10.8 | 1014.7 | ± 5.8 | 6.1 | ± 3.5 | 55 | 33 | 18 | 9 | 4-30 05:00:00 | 51.4 | ± 8.4 | 39.3 | ± 10.5 | 1014.5 | ± 6.0 | 5.4 | ± 3.7 | 52 | 30 | 12 | 9 | 4-30 06:00:00 | 50.5 | ± 8.4 | 40.2 | ± 10.8 | 1014.3 | ± 6.1 | 5.4 | ± 3.6 | 52 | 33 | 12 | 6 | 3 | 4-30 07:00:00 | 50.0 | ± 8.6 | 40.7 | ± 10.9 | 1014.3 | ± 6.1 | 6.0 | ± 4.6 | 55 | 33 | 12 | 6 | 3 | 4-30 08:00:00 | 48.5 | ± 8.1 | 39.3 | ± 9.5 | 1014.2 | ± 6.3 | 5.0 | ± 4.0 | 52 | 27 | 12 | 6 | 3 | 4-30 09:00:00 | 48.3 | ± 8.7 | 40.4 | ± 10.3 | 1014.2 | ± 6.3 | 5.2 | ± 3.9 | 55 | 36 | 12 | 12 | 3 | 4-30 10:00:00 | 48.0 | ± 8.4 | 40.8 | ± 10.4 | 1014.4 | ± 6.3 | 5.7 | ± 4.2 | 73 | 48 | 12 | 12 | 6 | 3 | 4-30 11:00:00 | 49.5 | ± 7.9 | 41.9 | ± 9.5 | 1014.8 | ± 6.6 | 6.4 | ± 4.3 | 61 | 42 | 18 | 18 | 9 | 6 | 4-30 12:00:00 | 52.1 | ± 7.0 | 42.7 | ± 10.0 | 1014.9 | ± 6.5 | 8.0 | ± 4.7 | 55 | 39 | 18 | 15 | 9 | 6 | 4-30 13:00:00 | 55.4 | ± 7.6 | 43.3 | ± 10.1 | 1014.9 | ± 6.4 | 9.0 | ± 5.1 | 64 | 45 | 24 | 15 | 12 | 3 | 4-30 14:00:00 | 58.3 | ± 8.1 | 43.6 | ± 9.7 | 1014.8 | ± 6.5 | 9.5 | ± 5.1 | 76 | 58 | 24 | 12 | 12 | 4-30 15:00:00 | 60.6 | ± 8.6 | 43.9 | ± 10.0 | 1014.7 | ± 6.4 | 10.2 | ± 5.5 | 76 | 61 | 21 | 12 | 6 | 4-30 16:00:00 | 62.4 | ± 8.8 | 43.4 | ± 9.9 | 1014.2 | ± 6.4 | 10.6 | ± 5.6 | 76 | 58 | 21 | 15 | 3 | 4-30 17:00:00 | 63.3 | ± 9.1 | 43.4 | ± 9.9 | 1013.9 | ± 6.1 | 11.8 | ± 6.0 | 79 | 61 | 18 | 12 | 6 | 4-30 18:00:00 | 63.8 | ± 9.5 | 43.5 | ± 9.5 | 1013.6 | ± 5.7 | 12.3 | ± 7.1 | 70 | 64 | 18 | 9 | 3 | 4-30 19:00:00 | 64.7 | ± 9.7 | 42.9 | ± 10.0 | 1013.1 | ± 5.5 | 11.9 | ± 6.9 | 73 | 64 | 18 | 12 | 4-30 20:00:00 | 64.8 | ± 9.5 | 42.7 | ± 10.7 | 1012.9 | ± 5.1 | 11.5 | ± 6.1 | 67 | 55 | 9 | 4-30 21:00:00 | 63.8 | ± 9.6 | 41.6 | ± 10.8 | 1013.0 | ± 4.8 | 11.2 | ± 6.2 | 73 | 64 | 12 | 3 | 4-30 22:00:00 | 62.8 | ± 9.7 | 41.5 | ± 11.2 | 1013.2 | ± 4.6 | 11.3 | ± 5.5 | 67 | 55 | 6 | 3 | 3 | 4-30 23:00:00 | 61.5 | ± 9.2 | 41.3 | ± 11.5 | 1013.3 | ± 4.5 | 9.0 | ± 4.5 | 64 | 42 | 6 | 6 | 3 |