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) | 7-31 00:00:00 | 72.8 | ± 4.4 | 60.5 | ± 6.1 | 1017.1 | ± 4.2 | 6.5 | ± 2.7 | 50 | 25 | 17 | 8 | 8 | 8 | 7-31 01:00:00 | 70.7 | ± 3.8 | 60.5 | ± 6.2 | 1017.4 | ± 4.1 | 6.4 | ± 2.7 | 33 | 17 | 8 | 7-31 02:00:00 | 68.9 | ± 4.0 | 60.8 | ± 5.8 | 1017.8 | ± 4.2 | 5.0 | ± 2.7 | 58 | 17 | 17 | 7-31 03:00:00 | 67.8 | ± 3.9 | 60.5 | ± 5.8 | 1017.9 | ± 4.1 | 5.7 | ± 2.2 | 50 | 17 | 17 | 7-31 04:00:00 | 66.6 | ± 4.2 | 60.3 | ± 5.7 | 1017.9 | ± 4.2 | 5.3 | ± 2.7 | 33 | 25 | 17 | 8 | 7-31 05:00:00 | 65.8 | ± 4.4 | 60.6 | ± 5.4 | 1017.8 | ± 4.2 | 5.7 | ± 3.2 | 25 | 25 | 17 | 7-31 06:00:00 | 65.1 | ± 4.6 | 60.1 | ± 5.5 | 1017.8 | ± 4.2 | 5.8 | ± 3.1 | 42 | 33 | 17 | 7-31 07:00:00 | 64.4 | ± 4.8 | 59.9 | ± 5.4 | 1017.6 | ± 4.3 | 5.9 | ± 2.5 | 33 | 25 | 17 | 7-31 08:00:00 | 63.9 | ± 5.2 | 59.9 | ± 5.5 | 1017.6 | ± 4.4 | 5.6 | ± 2.8 | 25 | 25 | 8 | 7-31 09:00:00 | 63.6 | ± 5.5 | 60.0 | ± 5.8 | 1018.0 | ± 4.4 | 5.5 | ± 2.8 | 33 | 25 | 17 | 7-31 10:00:00 | 63.9 | ± 5.3 | 59.8 | ± 5.6 | 1018.3 | ± 4.5 | 5.7 | ± 3.0 | 42 | 33 | 25 | 17 | 8 | 7-31 11:00:00 | 64.7 | ± 4.8 | 61.0 | ± 5.1 | 1018.6 | ± 4.5 | 4.7 | ± 3.4 | 50 | 50 | 25 | 17 | 7-31 12:00:00 | 67.1 | ± 4.3 | 61.8 | ± 5.4 | 1018.6 | ± 4.5 | 4.4 | ± 3.1 | 58 | 50 | 42 | 33 | 17 | 7-31 13:00:00 | 70.0 | ± 4.1 | 62.9 | ± 5.6 | 1018.6 | ± 4.4 | 5.1 | ± 2.9 | 42 | 42 | 25 | 17 | 7-31 14:00:00 | 72.9 | ± 4.8 | 63.2 | ± 6.1 | 1018.5 | ± 4.4 | 6.8 | ± 3.7 | 50 | 50 | 25 | 7-31 15:00:00 | 75.0 | ± 5.2 | 62.6 | ± 6.8 | 1018.3 | ± 4.3 | 7.0 | ± 3.5 | 67 | 67 | 25 | 8 | 8 | 7-31 16:00:00 | 77.0 | ± 5.4 | 61.7 | ± 7.1 | 1018.0 | ± 4.4 | 7.8 | ± 3.9 | 67 | 50 | 8 | 7-31 17:00:00 | 78.4 | ± 6.0 | 61.4 | ± 6.4 | 1017.6 | ± 4.4 | 7.9 | ± 3.2 | 67 | 42 | 17 | 17 | 17 | 8 | 7-31 18:00:00 | 78.9 | ± 6.4 | 60.9 | ± 6.8 | 1017.3 | ± 4.3 | 8.7 | ± 4.2 | 83 | 50 | 8 | 8 | 8 | 8 | 7-31 19:00:00 | 79.3 | ± 6.7 | 60.6 | ± 7.1 | 1016.8 | ± 4.4 | 8.7 | ± 3.6 | 67 | 25 | 8 | 8 | 8 | 7-31 20:00:00 | 79.6 | ± 6.7 | 60.5 | ± 6.7 | 1016.6 | ± 4.4 | 8.4 | ± 3.3 | 75 | 33 | 17 | 17 | 17 | 8 | 7-31 21:00:00 | 79.3 | ± 6.8 | 60.6 | ± 7.3 | 1016.5 | ± 4.4 | 9.2 | ± 3.0 | 58 | 50 | 8 | 8 | 8 | 7-31 22:00:00 | 77.6 | ± 6.8 | 60.7 | ± 6.7 | 1016.4 | ± 4.3 | 8.2 | ± 3.2 | 50 | 33 | 8 | 8 | 7-31 23:00:00 | 76.0 | ± 6.5 | 61.2 | ± 6.5 | 1016.6 | ± 4.4 | 6.9 | ± 3.2 | 67 | 25 | 8 | 8 | 8 | 8 |