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 | 74.6 | ± 5.5 | 61.4 | ± 5.9 | 1015.1 | ± 3.7 | 6.5 | ± 2.5 | 55 | 39 | 3 | 7-31 01:00:00 | 72.5 | ± 4.9 | 61.3 | ± 5.8 | 1015.3 | ± 3.7 | 6.2 | ± 2.9 | 52 | 36 | 3 | 7-31 02:00:00 | 70.9 | ± 4.8 | 61.0 | ± 5.6 | 1015.6 | ± 3.8 | 5.6 | ± 2.8 | 48 | 36 | 7-31 03:00:00 | 69.5 | ± 4.4 | 61.6 | ± 5.7 | 1015.7 | ± 3.9 | 5.3 | ± 2.7 | 48 | 33 | 9 | 6 | 7-31 04:00:00 | 68.1 | ± 4.2 | 61.6 | ± 5.7 | 1015.8 | ± 3.9 | 5.0 | ± 2.8 | 39 | 21 | 6 | 3 | 7-31 05:00:00 | 67.1 | ± 4.4 | 61.1 | ± 5.7 | 1015.7 | ± 3.6 | 3.9 | ± 2.9 | 42 | 36 | 9 | 9 | 6 | 7-31 06:00:00 | 66.0 | ± 4.6 | 61.1 | ± 5.7 | 1015.6 | ± 4.1 | 3.8 | ± 2.7 | 42 | 30 | 9 | 9 | 6 | 7-31 07:00:00 | 65.3 | ± 4.4 | 60.7 | ± 5.7 | 1015.6 | ± 4.0 | 4.3 | ± 2.9 | 36 | 24 | 6 | 6 | 3 | 7-31 08:00:00 | 64.4 | ± 4.9 | 59.9 | ± 5.5 | 1015.6 | ± 4.1 | 4.0 | ± 3.4 | 33 | 24 | 18 | 15 | 9 | 7-31 09:00:00 | 63.9 | ± 4.6 | 59.8 | ± 5.6 | 1015.8 | ± 4.0 | 3.6 | ± 2.9 | 48 | 33 | 18 | 9 | 6 | 7-31 10:00:00 | 63.7 | ± 4.5 | 60.0 | ± 5.2 | 1016.0 | ± 4.1 | 3.9 | ± 2.9 | 55 | 33 | 15 | 6 | 3 | 7-31 11:00:00 | 65.0 | ± 4.5 | 60.3 | ± 5.3 | 1016.4 | ± 4.4 | 5.1 | ± 3.5 | 42 | 30 | 18 | 18 | 3 | 7-31 12:00:00 | 67.7 | ± 4.0 | 61.8 | ± 5.2 | 1016.6 | ± 4.3 | 6.1 | ± 2.9 | 36 | 27 | 18 | 15 | 3 | 7-31 13:00:00 | 71.0 | ± 4.8 | 62.6 | ± 5.3 | 1016.6 | ± 4.2 | 6.4 | ± 3.5 | 42 | 36 | 24 | 15 | 9 | 7-31 14:00:00 | 73.9 | ± 5.2 | 62.6 | ± 5.4 | 1016.7 | ± 4.3 | 7.6 | ± 3.3 | 58 | 52 | 27 | 24 | 9 | 7-31 15:00:00 | 76.3 | ± 5.4 | 62.9 | ± 5.4 | 1016.7 | ± 4.2 | 8.1 | ± 3.7 | 70 | 67 | 27 | 15 | 3 | 7-31 16:00:00 | 78.3 | ± 5.8 | 62.7 | ± 5.9 | 1016.5 | ± 4.3 | 8.9 | ± 3.3 | 82 | 79 | 21 | 6 | 7-31 17:00:00 | 79.4 | ± 5.8 | 61.8 | ± 6.5 | 1016.2 | ± 4.4 | 9.4 | ± 3.1 | 88 | 88 | 21 | 3 | 7-31 18:00:00 | 80.2 | ± 5.7 | 62.2 | ± 6.3 | 1015.9 | ± 4.3 | 9.0 | ± 3.4 | 88 | 82 | 18 | 7-31 19:00:00 | 80.9 | ± 5.7 | 62.2 | ± 6.7 | 1015.5 | ± 4.3 | 9.0 | ± 3.5 | 94 | 82 | 6 | 7-31 20:00:00 | 80.7 | ± 5.7 | 61.4 | ± 6.7 | 1015.2 | ± 4.4 | 10.0 | ± 2.7 | 91 | 79 | 6 | 7-31 21:00:00 | 79.9 | ± 6.1 | 62.1 | ± 6.2 | 1015.1 | ± 4.2 | 9.9 | ± 4.0 | 88 | 79 | 12 | 7-31 22:00:00 | 78.9 | ± 6.1 | 61.8 | ± 6.4 | 1015.0 | ± 4.3 | 8.5 | ± 3.5 | 85 | 70 | 12 | 7-31 23:00:00 | 77.3 | ± 6.1 | 61.3 | ± 6.6 | 1014.9 | ± 4.2 | 7.5 | ± 3.4 | 79 | 64 | 9 |