Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Cloud Ceiling (% less than altitude) | ||||||||||||||
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| 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) | 4-11 00:00:00 | 46.0 | ± 9.9 | 23.3 | ± 5.2 | 0.0 | ± 0.0 | 4.9 | ± 4.3 | 29 | 26 | 9 | 6 | 4-11 01:00:00 | 44.3 | ± 9.4 | 23.2 | ± 5.1 | 0.0 | ± 0.0 | 5.1 | ± 3.4 | 31 | 23 | 9 | 6 | 4-11 02:00:00 | 42.0 | ± 8.6 | 23.5 | ± 5.6 | 0.0 | ± 0.0 | 4.8 | ± 4.2 | 26 | 11 | 3 | 3 | 4-11 03:00:00 | 41.0 | ± 8.2 | 24.0 | ± 5.2 | 0.0 | ± 0.0 | 4.9 | ± 3.4 | 23 | 14 | 6 | 3 | 4-11 04:00:00 | 39.9 | ± 7.6 | 24.8 | ± 4.9 | 0.0 | ± 0.0 | 4.5 | ± 3.0 | 20 | 11 | 3 | 4-11 05:00:00 | 38.6 | ± 7.2 | 23.9 | ± 2.7 | 0.0 | ± 0.0 | 4.4 | ± 3.5 | 11 | 6 | 3 | 4-11 06:00:00 | 38.2 | ± 7.3 | 25.2 | ± 4.8 | 0.0 | ± 0.0 | 4.4 | ± 4.0 | 11 | 9 | 3 | 4-11 07:00:00 | 36.4 | ± 6.3 | 26.0 | ± 4.9 | 0.0 | ± 0.0 | 4.5 | ± 3.3 | 11 | 6 | 6 | 3 | 3 | 3 | 4-11 08:00:00 | 35.9 | ± 6.7 | 25.6 | ± 4.8 | 0.0 | ± 0.0 | 5.4 | ± 2.4 | 11 | 6 | 3 | 4-11 09:00:00 | 35.4 | ± 6.9 | 26.6 | ± 5.4 | 0.0 | ± 0.0 | 5.4 | ± 2.8 | 9 | 6 | 6 | 3 | 4-11 10:00:00 | 35.4 | ± 7.3 | 26.5 | ± 5.4 | 0.0 | ± 0.0 | 5.8 | ± 3.1 | 17 | 11 | 9 | 9 | 3 | 4-11 11:00:00 | 35.2 | ± 6.6 | 26.7 | ± 5.1 | 0.0 | ± 0.0 | 5.3 | ± 3.4 | 23 | 17 | 9 | 9 | 3 | 4-11 12:00:00 | 37.9 | ± 6.7 | 27.6 | ± 4.8 | 0.0 | ± 0.0 | 6.1 | ± 3.9 | 34 | 23 | 11 | 9 | 3 | 4-11 13:00:00 | 40.9 | ± 7.6 | 27.4 | ± 5.6 | 0.0 | ± 0.0 | 7.9 | ± 3.7 | 49 | 31 | 23 | 14 | 9 | 4-11 14:00:00 | 44.9 | ± 8.0 | 27.8 | ± 5.5 | 0.0 | ± 0.0 | 9.2 | ± 4.0 | 46 | 34 | 20 | 9 | 6 | 4-11 15:00:00 | 48.2 | ± 8.1 | 27.2 | ± 3.5 | 0.0 | ± 0.0 | 8.3 | ± 4.2 | 46 | 40 | 23 | 9 | 3 | 4-11 16:00:00 | 51.8 | ± 8.5 | 28.5 | ± 6.6 | 0.0 | ± 0.0 | 8.3 | ± 5.3 | 43 | 37 | 17 | 14 | 6 | 4-11 17:00:00 | 54.6 | ± 8.8 | 29.2 | ± 8.3 | 0.0 | ± 0.0 | 7.3 | ± 5.0 | 43 | 34 | 20 | 14 | 6 | 4-11 18:00:00 | 55.8 | ± 8.8 | 28.9 | ± 8.6 | 0.0 | ± 0.0 | 10.4 | ± 6.3 | 46 | 40 | 26 | 14 | 6 | 4-11 19:00:00 | 57.8 | ± 8.8 | 28.9 | ± 8.4 | 0.0 | ± 0.0 | 10.3 | ± 5.0 | 51 | 37 | 20 | 9 | 3 | 4-11 20:00:00 | 57.5 | ± 10.1 | 28.0 | ± 8.3 | 0.0 | ± 0.0 | 10.5 | ± 5.8 | 60 | 46 | 31 | 6 | 4-11 21:00:00 | 57.6 | ± 11.5 | 28.7 | ± 8.3 | 0.0 | ± 0.0 | 11.2 | ± 5.4 | 51 | 46 | 9 | 4-11 22:00:00 | 58.0 | ± 10.6 | 27.9 | ± 8.0 | 0.0 | ± 0.0 | 10.9 | ± 4.8 | 54 | 37 | 23 | 3 | 4-11 23:00:00 | 55.3 | ± 8.2 | 27.1 | ± 8.4 | 0.0 | ± 0.0 | 10.0 | ± 4.1 | 43 | 37 | 26 | 11 | 3 | 3 |