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) | 12-9 00:00:00 | 34.5 | ± 9.9 | 22.8 | ± 11.1 | 0.0 | ± 0.0 | 6.7 | ± 4.8 | 62 | 46 | 31 | 8 | 12-9 01:00:00 | 33.6 | ± 10.6 | 22.2 | ± 11.5 | 0.0 | ± 0.0 | 5.9 | ± 5.2 | 54 | 46 | 46 | 8 | 12-9 02:00:00 | 32.5 | ± 10.5 | 23.1 | ± 11.0 | 0.0 | ± 0.0 | 5.5 | ± 5.3 | 54 | 31 | 23 | 8 | 8 | 12-9 03:00:00 | 31.4 | ± 10.8 | 22.6 | ± 11.2 | 0.0 | ± 0.0 | 5.5 | ± 5.1 | 15 | 15 | 8 | 8 | 8 | 12-9 04:00:00 | 36.3 | ± 12.5 | 26.5 | ± 13.4 | 0.0 | ± 0.0 | 6.9 | ± 5.3 | 8 | 8 | 8 | 8 | 8 | 12-9 05:00:00 | 39.7 | ± 15.5 | 32.4 | ± 17.4 | 0.0 | ± 0.0 | 5.7 | ± 4.3 | 8 | 8 | 8 | 12-9 06:00:00 | 39.5 | ± 16.7 | 32.4 | ± 17.4 | 0.0 | ± 0.0 | 6.5 | ± 5.2 | 12-9 07:00:00 | 59.0 | ± 0.0 | 53.0 | ± 0.0 | 0.0 | ± 0.0 | 12.6 | ± 0.0 | 12-9 08:00:00 | 61.0 | ± 0.0 | 53.0 | ± 0.0 | 0.0 | ± 0.0 | 20.7 | ± 0.0 | 12-9 09:00:00 | 61.0 | ± 0.0 | 52.0 | ± 0.0 | 0.0 | ± 0.0 | 18.4 | ± 0.0 | 12-9 10:00:00 | 60.0 | ± 0.0 | 53.0 | ± 0.0 | 0.0 | ± 0.0 | 13.8 | ± 0.0 | 23 | 23 | 12-9 11:00:00 | 31.0 | ± 5.0 | 22.1 | ± 3.8 | 0.0 | ± 0.0 | 4.6 | ± 6.5 | 54 | 31 | 8 | 12-9 12:00:00 | 28.3 | ± 9.7 | 19.9 | ± 8.6 | 0.0 | ± 0.0 | 6.3 | ± 6.8 | 54 | 38 | 23 | 15 | 15 | 12-9 13:00:00 | 32.0 | ± 12.7 | 23.4 | ± 12.8 | 0.0 | ± 0.0 | 7.3 | ± 9.1 | 62 | 31 | 23 | 12-9 14:00:00 | 32.1 | ± 11.5 | 24.6 | ± 11.9 | 0.0 | ± 0.0 | 7.9 | ± 6.0 | 46 | 31 | 8 | 12-9 15:00:00 | 36.8 | ± 10.9 | 26.7 | ± 11.5 | 0.0 | ± 0.0 | 6.1 | ± 3.9 | 54 | 46 | 8 | 12-9 16:00:00 | 38.0 | ± 9.7 | 25.2 | ± 10.4 | 0.0 | ± 0.0 | 6.8 | ± 4.6 | 62 | 46 | 8 | 8 | 12-9 17:00:00 | 39.6 | ± 10.4 | 27.1 | ± 9.6 | 0.0 | ± 0.0 | 7.9 | ± 6.9 | 62 | 46 | 23 | 8 | 12-9 18:00:00 | 41.0 | ± 10.6 | 25.9 | ± 10.7 | 0.0 | ± 0.0 | 8.1 | ± 4.8 | 46 | 46 | 15 | 8 | 12-9 19:00:00 | 40.5 | ± 10.6 | 24.9 | ± 12.2 | 0.0 | ± 0.0 | 9.0 | ± 5.3 | 46 | 38 | 15 | 8 | 12-9 20:00:00 | 41.5 | ± 10.6 | 26.3 | ± 11.8 | 0.0 | ± 0.0 | 7.1 | ± 5.5 | 62 | 54 | 31 | 15 | 8 | 12-9 21:00:00 | 39.3 | ± 8.8 | 27.5 | ± 11.5 | 0.0 | ± 0.0 | 7.6 | ± 4.6 | 69 | 62 | 23 | 15 | 8 | 12-9 22:00:00 | 36.8 | ± 8.8 | 25.0 | ± 13.0 | 0.0 | ± 0.0 | 5.8 | ± 5.5 | 62 | 54 | 23 | 12-9 23:00:00 | 35.3 | ± 9.7 | 25.8 | ± 13.7 | 0.0 | ± 0.0 | 5.3 | ± 4.8 | 62 | 54 | 23 |