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) | 4-18 00:00:00 | 51.6 | ± 12.0 | 37.2 | ± 10.1 | 0.0 | ± 0.0 | 7.0 | ± 5.3 | 40 | 34 | 20 | 9 | 4-18 01:00:00 | 46.0 | ± 9.4 | 34.5 | ± 7.9 | 0.0 | ± 0.0 | 7.4 | ± 5.1 | 43 | 34 | 14 | 9 | 3 | 4-18 02:00:00 | 45.7 | ± 8.4 | 34.6 | ± 8.3 | 0.0 | ± 0.0 | 7.6 | ± 5.5 | 40 | 34 | 20 | 11 | 3 | 4-18 03:00:00 | 46.8 | ± 9.5 | 35.3 | ± 10.2 | 0.0 | ± 0.0 | 7.2 | ± 5.7 | 23 | 17 | 6 | 3 | 4-18 04:00:00 | 47.1 | ± 9.5 | 37.8 | ± 11.7 | 0.0 | ± 0.0 | 5.3 | ± 5.2 | 31 | 20 | 6 | 3 | 3 | 4-18 05:00:00 | 45.4 | ± 9.5 | 36.6 | ± 11.0 | 0.0 | ± 0.0 | 6.0 | ± 5.9 | 29 | 17 | 9 | 6 | 4-18 06:00:00 | 47.4 | ± 11.6 | 39.0 | ± 12.4 | 0.0 | ± 0.0 | 6.3 | ± 6.5 | 20 | 14 | 6 | 6 | 4-18 07:00:00 | 44.0 | ± 8.9 | 36.9 | ± 11.3 | 0.0 | ± 0.0 | 5.9 | ± 5.8 | 23 | 20 | 9 | 6 | 3 | 4-18 08:00:00 | 43.0 | ± 8.3 | 36.7 | ± 10.2 | 0.0 | ± 0.0 | 5.7 | ± 4.3 | 17 | 14 | 9 | 6 | 3 | 4-18 09:00:00 | 42.8 | ± 8.9 | 37.0 | ± 10.5 | 0.0 | ± 0.0 | 5.4 | ± 4.5 | 17 | 14 | 9 | 6 | 3 | 4-18 10:00:00 | 41.3 | ± 8.0 | 35.8 | ± 9.9 | 0.0 | ± 0.0 | 4.9 | ± 5.0 | 11 | 9 | 6 | 3 | 4-18 11:00:00 | 41.6 | ± 8.3 | 36.7 | ± 10.1 | 0.0 | ± 0.0 | 6.0 | ± 4.0 | 23 | 23 | 17 | 9 | 3 | 4-18 12:00:00 | 44.4 | ± 8.2 | 38.3 | ± 10.7 | 0.0 | ± 0.0 | 5.9 | ± 4.0 | 20 | 17 | 11 | 6 | 4-18 13:00:00 | 47.6 | ± 10.2 | 38.4 | ± 10.5 | 0.0 | ± 0.0 | 6.4 | ± 4.9 | 26 | 23 | 17 | 9 | 3 | 4-18 14:00:00 | 52.6 | ± 12.3 | 39.5 | ± 10.4 | 0.0 | ± 0.0 | 7.9 | ± 5.3 | 43 | 37 | 17 | 9 | 3 | 3 | 4-18 15:00:00 | 53.9 | ± 11.6 | 38.3 | ± 9.4 | 0.0 | ± 0.0 | 7.0 | ± 7.0 | 37 | 31 | 14 | 3 | 4-18 16:00:00 | 56.6 | ± 12.0 | 40.8 | ± 9.9 | 0.0 | ± 0.0 | 7.4 | ± 6.0 | 49 | 43 | 11 | 6 | 4-18 17:00:00 | 56.3 | ± 8.6 | 37.2 | ± 4.8 | 0.0 | ± 0.0 | 9.0 | ± 4.8 | 57 | 51 | 17 | 3 | 4-18 18:00:00 | 63.5 | ± 13.7 | 43.0 | ± 10.1 | 0.0 | ± 0.0 | 9.8 | ± 5.3 | 43 | 34 | 9 | 4-18 19:00:00 | 64.8 | ± 14.5 | 43.0 | ± 10.2 | 0.0 | ± 0.0 | 9.4 | ± 5.7 | 54 | 43 | 9 | 4-18 20:00:00 | 63.5 | ± 14.2 | 42.0 | ± 8.8 | 0.0 | ± 0.0 | 9.3 | ± 4.4 | 57 | 49 | 14 | 3 | 3 | 4-18 21:00:00 | 63.7 | ± 14.0 | 42.6 | ± 8.0 | 0.0 | ± 0.0 | 9.4 | ± 4.8 | 54 | 49 | 11 | 3 | 3 | 4-18 22:00:00 | 62.1 | ± 13.2 | 42.3 | ± 7.6 | 0.0 | ± 0.0 | 8.1 | ± 5.1 | 43 | 34 | 11 | 4-18 23:00:00 | 60.3 | ± 11.9 | 41.8 | ± 7.3 | 0.0 | ± 0.0 | 8.8 | ± 5.0 | 40 | 29 | 11 | 6 | 3 |