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) | 9-20 00:00:00 | 62.2 | ± 6.8 | 52.7 | ± 8.3 | 1019.0 | ± 5.2 | 6.7 | ± 2.7 | 25 | 25 | 8 | 9-20 01:00:00 | 61.0 | ± 7.0 | 53.0 | ± 8.2 | 1019.3 | ± 5.4 | 6.4 | ± 2.9 | 42 | 25 | 17 | 9-20 02:00:00 | 59.8 | ± 7.0 | 53.2 | ± 8.3 | 1019.4 | ± 5.5 | 6.1 | ± 3.5 | 33 | 33 | 25 | 8 | 8 | 9-20 03:00:00 | 58.9 | ± 7.5 | 52.9 | ± 8.5 | 1019.4 | ± 5.5 | 5.8 | ± 3.4 | 33 | 33 | 17 | 8 | 8 | 9-20 04:00:00 | 58.2 | ± 7.5 | 52.4 | ± 8.3 | 1019.3 | ± 5.4 | 6.1 | ± 3.5 | 42 | 33 | 17 | 8 | 8 | 9-20 05:00:00 | 57.6 | ± 8.3 | 52.6 | ± 8.5 | 1019.3 | ± 5.5 | 5.8 | ± 3.0 | 50 | 33 | 17 | 8 | 8 | 9-20 06:00:00 | 57.2 | ± 8.5 | 52.3 | ± 9.0 | 1019.2 | ± 5.5 | 5.8 | ± 3.2 | 50 | 25 | 17 | 8 | 9-20 07:00:00 | 56.8 | ± 8.6 | 51.9 | ± 8.8 | 1019.1 | ± 5.6 | 5.5 | ± 3.2 | 33 | 8 | 8 | 9-20 08:00:00 | 56.1 | ± 8.7 | 51.8 | ± 8.8 | 1019.1 | ± 5.7 | 5.4 | ± 3.2 | 25 | 8 | 9-20 09:00:00 | 56.1 | ± 8.7 | 52.4 | ± 9.2 | 1019.2 | ± 5.8 | 5.1 | ± 3.3 | 25 | 8 | 8 | 8 | 8 | 8 | 9-20 10:00:00 | 55.6 | ± 9.0 | 52.1 | ± 9.3 | 1019.5 | ± 5.8 | 5.0 | ± 2.9 | 58 | 25 | 25 | 8 | 9-20 11:00:00 | 55.8 | ± 8.9 | 52.4 | ± 8.9 | 1019.8 | ± 5.8 | 5.5 | ± 3.0 | 58 | 42 | 25 | 8 | 9-20 12:00:00 | 57.6 | ± 8.4 | 53.4 | ± 8.9 | 1019.9 | ± 5.9 | 5.6 | ± 4.1 | 42 | 33 | 17 | 8 | 8 | 9-20 13:00:00 | 60.4 | ± 7.9 | 54.4 | ± 8.8 | 1019.9 | ± 5.9 | 5.6 | ± 3.6 | 42 | 42 | 17 | 8 | 9-20 14:00:00 | 62.9 | ± 7.5 | 55.8 | ± 8.6 | 1019.9 | ± 5.9 | 7.9 | ± 5.0 | 42 | 42 | 17 | 9-20 15:00:00 | 65.3 | ± 7.4 | 55.5 | ± 8.8 | 1019.5 | ± 5.9 | 9.2 | ± 4.7 | 42 | 42 | 8 | 9-20 16:00:00 | 67.2 | ± 7.4 | 55.6 | ± 9.3 | 1019.1 | ± 5.9 | 9.3 | ± 4.2 | 50 | 50 | 8 | 9-20 17:00:00 | 68.8 | ± 7.6 | 55.9 | ± 9.4 | 1018.6 | ± 6.0 | 9.8 | ± 3.7 | 50 | 50 | 8 | 9-20 18:00:00 | 69.4 | ± 7.4 | 54.9 | ± 9.9 | 1018.1 | ± 6.0 | 10.1 | ± 4.3 | 58 | 58 | 17 | 9-20 19:00:00 | 69.8 | ± 7.7 | 54.8 | ± 9.5 | 1017.7 | ± 5.9 | 9.9 | ± 4.5 | 50 | 50 | 17 | 9-20 20:00:00 | 69.3 | ± 7.9 | 55.4 | ± 9.1 | 1017.5 | ± 5.8 | 9.6 | ± 3.6 | 58 | 50 | 17 | 9-20 21:00:00 | 68.5 | ± 7.9 | 54.6 | ± 9.1 | 1017.8 | ± 5.6 | 9.7 | ± 3.5 | 42 | 33 | 9-20 22:00:00 | 66.9 | ± 7.7 | 54.5 | ± 9.1 | 1017.7 | ± 5.7 | 8.3 | ± 3.4 | 50 | 33 | 17 | 9-20 23:00:00 | 64.7 | ± 7.6 | 55.3 | ± 8.8 | 1018.0 | ± 5.6 | 7.3 | ± 4.3 | 58 | 42 | 8 |