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 | 75.8 | ± 4.0 | 64.0 | ± 5.7 | 1016.4 | ± 3.9 | 6.2 | ± 4.3 | 62 | 38 | 7 | 7 | 7-31 01:00:00 | 73.7 | ± 3.6 | 65.3 | ± 5.2 | 1016.7 | ± 4.1 | 5.3 | ± 3.6 | 45 | 28 | 7 | 7 | 7-31 02:00:00 | 72.3 | ± 3.6 | 65.0 | ± 5.1 | 1017.0 | ± 4.1 | 6.0 | ± 3.7 | 45 | 34 | 17 | 10 | 3 | 7-31 03:00:00 | 71.2 | ± 3.7 | 65.1 | ± 5.4 | 1017.0 | ± 4.1 | 4.5 | ± 3.9 | 48 | 45 | 21 | 14 | 3 | 7-31 04:00:00 | 70.4 | ± 3.9 | 65.0 | ± 5.3 | 1017.1 | ± 4.2 | 4.5 | ± 3.7 | 48 | 38 | 17 | 10 | 3 | 7-31 05:00:00 | 69.5 | ± 4.1 | 64.5 | ± 5.1 | 1016.9 | ± 4.2 | 4.1 | ± 3.4 | 41 | 38 | 21 | 14 | 3 | 7-31 06:00:00 | 68.7 | ± 4.2 | 64.9 | ± 5.3 | 1017.0 | ± 4.4 | 4.3 | ± 3.8 | 48 | 31 | 17 | 10 | 7-31 07:00:00 | 68.1 | ± 4.0 | 64.6 | ± 5.5 | 1016.8 | ± 4.4 | 3.9 | ± 3.4 | 41 | 34 | 21 | 14 | 3 | 7-31 08:00:00 | 67.6 | ± 4.2 | 64.0 | ± 5.5 | 1016.8 | ± 4.4 | 3.9 | ± 3.8 | 45 | 38 | 21 | 17 | 7 | 7-31 09:00:00 | 67.4 | ± 4.3 | 64.5 | ± 5.6 | 1017.0 | ± 4.4 | 3.7 | ± 3.7 | 38 | 38 | 21 | 10 | 7 | 7-31 10:00:00 | 67.7 | ± 4.5 | 64.7 | ± 5.4 | 1017.3 | ± 4.3 | 3.8 | ± 3.6 | 41 | 34 | 28 | 17 | 7 | 7-31 11:00:00 | 69.1 | ± 3.7 | 65.0 | ± 4.8 | 1017.6 | ± 4.5 | 4.7 | ± 7.7 | 34 | 34 | 28 | 14 | 3 | 7-31 12:00:00 | 71.4 | ± 3.6 | 65.2 | ± 6.3 | 1017.9 | ± 4.6 | 4.9 | ± 3.2 | 45 | 41 | 38 | 17 | 3 | 7-31 13:00:00 | 73.9 | ± 4.0 | 66.0 | ± 5.6 | 1017.7 | ± 4.6 | 5.1 | ± 3.0 | 52 | 45 | 38 | 14 | 3 | 7-31 14:00:00 | 76.2 | ± 4.7 | 66.2 | ± 5.5 | 1017.8 | ± 4.5 | 6.3 | ± 3.0 | 48 | 45 | 31 | 7 | 3 | 7-31 15:00:00 | 78.6 | ± 4.8 | 66.6 | ± 5.6 | 1017.6 | ± 4.6 | 6.6 | ± 2.4 | 69 | 66 | 28 | 7 | 7-31 16:00:00 | 80.2 | ± 5.3 | 65.9 | ± 5.6 | 1017.5 | ± 4.6 | 6.8 | ± 3.1 | 66 | 62 | 10 | 3 | 7-31 17:00:00 | 81.9 | ± 5.8 | 65.1 | ± 5.9 | 1017.1 | ± 4.6 | 7.8 | ± 3.8 | 83 | 59 | 17 | 3 | 7-31 18:00:00 | 83.0 | ± 5.8 | 65.2 | ± 6.1 | 1016.5 | ± 4.6 | 8.0 | ± 3.5 | 90 | 66 | 10 | 7 | 7-31 19:00:00 | 83.7 | ± 5.9 | 65.6 | ± 5.9 | 1016.0 | ± 4.5 | 7.9 | ± 4.3 | 76 | 59 | 3 | 3 | 7-31 20:00:00 | 84.3 | ± 6.0 | 64.3 | ± 6.3 | 1015.8 | ± 4.7 | 8.7 | ± 4.1 | 86 | 55 | 7 | 7-31 21:00:00 | 83.1 | ± 6.4 | 64.4 | ± 6.3 | 1015.6 | ± 4.6 | 8.5 | ± 3.7 | 76 | 48 | 10 | 7-31 22:00:00 | 81.7 | ± 6.0 | 64.3 | ± 6.7 | 1015.3 | ± 4.4 | 8.0 | ± 3.8 | 72 | 48 | 7 | 7-31 23:00:00 | 80.0 | ± 5.5 | 64.6 | ± 6.1 | 1015.5 | ± 4.5 | 7.0 | ± 3.2 | 69 | 45 | 3 |