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) | 9-21 00:00:00 | 59.7 | ± 9.9 | 49.7 | ± 9.0 | 0.0 | ± 0.0 | 4.2 | ± 3.6 | 34 | 26 | 3 | 9-21 01:00:00 | 58.4 | ± 9.8 | 50.0 | ± 8.8 | 0.0 | ± 0.0 | 4.8 | ± 4.2 | 20 | 17 | 9-21 02:00:00 | 57.3 | ± 10.4 | 50.9 | ± 9.1 | 0.0 | ± 0.0 | 5.0 | ± 3.9 | 23 | 17 | 3 | 9-21 03:00:00 | 55.1 | ± 10.2 | 50.1 | ± 9.1 | 0.0 | ± 0.0 | 5.1 | ± 4.8 | 14 | 14 | 6 | 3 | 3 | 3 | 9-21 04:00:00 | 54.1 | ± 10.5 | 50.0 | ± 9.7 | 0.0 | ± 0.0 | 4.9 | ± 6.1 | 17 | 14 | 6 | 3 | 3 | 3 | 9-21 05:00:00 | 53.0 | ± 10.6 | 48.6 | ± 9.0 | 0.0 | ± 0.0 | 4.9 | ± 3.8 | 14 | 14 | 6 | 3 | 9-21 06:00:00 | 52.5 | ± 9.7 | 49.1 | ± 8.6 | 0.0 | ± 0.0 | 3.8 | ± 3.8 | 17 | 17 | 9 | 6 | 3 | 3 | 9-21 07:00:00 | 51.3 | ± 8.9 | 48.3 | ± 8.0 | 0.0 | ± 0.0 | 3.9 | ± 3.6 | 20 | 20 | 11 | 6 | 3 | 3 | 9-21 08:00:00 | 52.5 | ± 9.4 | 49.1 | ± 8.7 | 0.0 | ± 0.0 | 5.0 | ± 3.8 | 17 | 17 | 11 | 6 | 3 | 3 | 9-21 09:00:00 | 51.3 | ± 8.8 | 48.3 | ± 8.5 | 0.0 | ± 0.0 | 4.0 | ± 3.5 | 17 | 17 | 11 | 9 | 3 | 3 | 9-21 10:00:00 | 52.5 | ± 8.7 | 49.6 | ± 8.8 | 0.0 | ± 0.0 | 4.9 | ± 3.8 | 34 | 34 | 26 | 14 | 14 | 3 | 9-21 11:00:00 | 51.1 | ± 7.3 | 48.7 | ± 7.5 | 0.0 | ± 0.0 | 4.2 | ± 3.8 | 40 | 40 | 29 | 20 | 9 | 6 | 9-21 12:00:00 | 52.6 | ± 6.4 | 49.7 | ± 7.4 | 0.0 | ± 0.0 | 4.5 | ± 3.7 | 34 | 31 | 17 | 17 | 11 | 3 | 9-21 13:00:00 | 56.1 | ± 5.9 | 51.8 | ± 7.1 | 0.0 | ± 0.0 | 4.9 | ± 3.4 | 31 | 29 | 20 | 17 | 11 | 9-21 14:00:00 | 59.9 | ± 5.8 | 52.3 | ± 6.6 | 0.0 | ± 0.0 | 5.8 | ± 4.1 | 40 | 37 | 23 | 23 | 14 | 9-21 15:00:00 | 63.3 | ± 6.6 | 52.5 | ± 7.4 | 0.0 | ± 0.0 | 6.3 | ± 3.6 | 40 | 37 | 29 | 23 | 14 | 9-21 16:00:00 | 63.6 | ± 6.7 | 51.3 | ± 7.5 | 0.0 | ± 0.0 | 7.0 | ± 2.6 | 49 | 49 | 26 | 17 | 11 | 9-21 17:00:00 | 66.6 | ± 6.7 | 50.2 | ± 7.2 | 0.0 | ± 0.0 | 5.9 | ± 3.3 | 54 | 54 | 26 | 17 | 9 | 9-21 18:00:00 | 67.5 | ± 6.9 | 49.8 | ± 7.1 | 0.0 | ± 0.0 | 5.9 | ± 3.8 | 46 | 46 | 26 | 17 | 11 | 3 | 9-21 19:00:00 | 69.2 | ± 6.4 | 51.4 | ± 6.8 | 0.0 | ± 0.0 | 5.9 | ± 3.6 | 57 | 54 | 23 | 9 | 6 | 9-21 20:00:00 | 69.8 | ± 6.2 | 51.1 | ± 6.1 | 0.0 | ± 0.0 | 6.0 | ± 3.1 | 54 | 49 | 23 | 14 | 6 | 9-21 21:00:00 | 69.4 | ± 6.8 | 51.0 | ± 6.4 | 0.0 | ± 0.0 | 5.1 | ± 2.8 | 43 | 40 | 17 | 6 | 6 | 9-21 22:00:00 | 67.4 | ± 6.5 | 52.0 | ± 7.4 | 0.0 | ± 0.0 | 4.2 | ± 2.5 | 37 | 34 | 14 | 6 | 3 | 9-21 23:00:00 | 64.8 | ± 4.9 | 53.6 | ± 5.9 | 0.0 | ± 0.0 | 2.5 | ± 1.8 | 37 | 34 | 17 | 11 | 9 | 3 |