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 | 73.5 | ± 4.3 | 63.8 | ± 4.2 | 0.0 | ± 0.0 | 5.0 | ± 2.4 | 29 | 23 | 9 | 6 | 6 | 7-31 01:00:00 | 70.9 | ± 3.4 | 63.8 | ± 4.6 | 0.0 | ± 0.0 | 5.0 | ± 2.7 | 20 | 17 | 11 | 9 | 9 | 7-31 02:00:00 | 69.7 | ± 3.8 | 63.7 | ± 4.6 | 0.0 | ± 0.0 | 5.7 | ± 3.5 | 20 | 14 | 9 | 9 | 7-31 03:00:00 | 68.6 | ± 3.6 | 63.1 | ± 4.1 | 0.0 | ± 0.0 | 6.0 | ± 3.7 | 14 | 9 | 9 | 9 | 7-31 04:00:00 | 67.3 | ± 3.3 | 62.8 | ± 3.8 | 0.0 | ± 0.0 | 5.7 | ± 2.6 | 14 | 6 | 6 | 6 | 6 | 7-31 05:00:00 | 66.5 | ± 3.6 | 62.7 | ± 4.2 | 0.0 | ± 0.0 | 5.6 | ± 3.8 | 17 | 14 | 3 | 3 | 3 | 7-31 06:00:00 | 65.2 | ± 3.9 | 61.7 | ± 4.0 | 0.0 | ± 0.0 | 5.0 | ± 3.0 | 20 | 14 | 3 | 3 | 3 | 7-31 07:00:00 | 65.2 | ± 4.0 | 62.0 | ± 4.2 | 0.0 | ± 0.0 | 6.2 | ± 4.0 | 17 | 9 | 6 | 3 | 3 | 3 | 7-31 08:00:00 | 64.9 | ± 4.5 | 61.7 | ± 4.5 | 0.0 | ± 0.0 | 6.2 | ± 3.9 | 23 | 14 | 9 | 3 | 3 | 7-31 09:00:00 | 64.5 | ± 4.4 | 61.9 | ± 4.7 | 0.0 | ± 0.0 | 6.8 | ± 4.9 | 29 | 26 | 20 | 17 | 17 | 6 | 7-31 10:00:00 | 63.2 | ± 4.7 | 61.0 | ± 5.3 | 0.0 | ± 0.0 | 4.3 | ± 4.1 | 37 | 31 | 17 | 17 | 17 | 3 | 7-31 11:00:00 | 64.1 | ± 4.4 | 61.8 | ± 5.1 | 0.0 | ± 0.0 | 5.3 | ± 3.7 | 34 | 26 | 11 | 11 | 9 | 3 | 7-31 12:00:00 | 65.6 | ± 3.5 | 62.7 | ± 4.4 | 0.0 | ± 0.0 | 6.9 | ± 3.5 | 37 | 31 | 20 | 20 | 11 | 7-31 13:00:00 | 68.4 | ± 3.6 | 63.5 | ± 4.5 | 0.0 | ± 0.0 | 6.9 | ± 4.5 | 40 | 34 | 20 | 17 | 6 | 7-31 14:00:00 | 71.9 | ± 3.5 | 65.3 | ± 4.4 | 0.0 | ± 0.0 | 7.8 | ± 4.3 | 31 | 29 | 17 | 9 | 3 | 7-31 15:00:00 | 74.3 | ± 4.3 | 64.9 | ± 5.2 | 0.0 | ± 0.0 | 7.7 | ± 3.8 | 43 | 37 | 26 | 6 | 7-31 16:00:00 | 77.1 | ± 5.1 | 65.5 | ± 5.3 | 0.0 | ± 0.0 | 7.8 | ± 3.8 | 49 | 46 | 20 | 6 | 7-31 17:00:00 | 77.2 | ± 4.6 | 65.4 | ± 6.2 | 0.0 | ± 0.0 | 8.4 | ± 5.0 | 51 | 49 | 23 | 6 | 3 | 7-31 18:00:00 | 79.3 | ± 5.8 | 65.8 | ± 5.5 | 0.0 | ± 0.0 | 7.6 | ± 3.2 | 60 | 60 | 11 | 6 | 7-31 19:00:00 | 79.1 | ± 6.3 | 65.6 | ± 6.1 | 0.0 | ± 0.0 | 8.3 | ± 3.3 | 74 | 71 | 9 | 6 | 7-31 20:00:00 | 78.2 | ± 6.0 | 64.8 | ± 7.5 | 0.0 | ± 0.0 | 8.1 | ± 2.8 | 49 | 46 | 11 | 6 | 3 | 7-31 21:00:00 | 78.1 | ± 6.5 | 65.1 | ± 7.4 | 0.0 | ± 0.0 | 7.0 | ± 3.5 | 51 | 46 | 11 | 9 | 6 | 7-31 22:00:00 | 77.2 | ± 6.3 | 64.6 | ± 7.7 | 0.0 | ± 0.0 | 8.1 | ± 3.5 | 57 | 51 | 14 | 9 | 7-31 23:00:00 | 74.1 | ± 5.8 | 64.1 | ± 6.3 | 0.0 | ± 0.0 | 5.8 | ± 3.2 | 43 | 43 | 17 | 14 | 6 |