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) | 5-21 00:00:00 | 64.5 | ± 9.0 | 49.5 | ± 10.4 | 1015.3 | ± 6.0 | 8.3 | ± 3.3 | 48 | 30 | 12 | 9 | 6 | 5-21 01:00:00 | 62.4 | ± 8.4 | 49.6 | ± 10.2 | 1015.7 | ± 6.0 | 7.9 | ± 4.1 | 55 | 30 | 15 | 6 | 3 | 5-21 02:00:00 | 60.6 | ± 8.6 | 49.7 | ± 9.7 | 1016.0 | ± 6.1 | 7.8 | ± 4.4 | 55 | 27 | 15 | 3 | 3 | 5-21 03:00:00 | 59.5 | ± 8.1 | 49.9 | ± 9.9 | 1016.2 | ± 6.2 | 6.8 | ± 4.1 | 55 | 36 | 21 | 12 | 3 | 5-21 04:00:00 | 57.8 | ± 7.8 | 49.5 | ± 9.3 | 1016.2 | ± 6.3 | 7.1 | ± 4.3 | 58 | 42 | 21 | 6 | 3 | 5-21 05:00:00 | 56.2 | ± 7.8 | 49.1 | ± 8.9 | 1016.4 | ± 6.1 | 5.6 | ± 2.6 | 55 | 33 | 18 | 6 | 6 | 5-21 06:00:00 | 55.5 | ± 8.2 | 50.0 | ± 9.2 | 1016.0 | ± 6.5 | 5.0 | ± 3.7 | 52 | 42 | 24 | 9 | 6 | 5-21 07:00:00 | 54.4 | ± 8.2 | 49.9 | ± 9.2 | 1015.9 | ± 6.5 | 5.4 | ± 3.3 | 52 | 42 | 30 | 15 | 9 | 3 | 5-21 08:00:00 | 53.1 | ± 8.6 | 48.8 | ± 9.3 | 1015.9 | ± 6.7 | 5.2 | ± 3.5 | 52 | 42 | 30 | 18 | 6 | 3 | 5-21 09:00:00 | 52.9 | ± 8.5 | 49.3 | ± 9.2 | 1016.1 | ± 6.7 | 5.1 | ± 3.5 | 45 | 39 | 30 | 24 | 3 | 5-21 10:00:00 | 53.5 | ± 8.8 | 49.7 | ± 9.3 | 1016.5 | ± 6.6 | 4.9 | ± 3.7 | 45 | 30 | 24 | 21 | 6 | 5-21 11:00:00 | 55.6 | ± 8.2 | 50.6 | ± 8.5 | 1016.8 | ± 6.8 | 5.8 | ± 4.1 | 42 | 33 | 27 | 24 | 21 | 5-21 12:00:00 | 59.0 | ± 8.0 | 51.5 | ± 8.8 | 1017.0 | ± 6.8 | 6.8 | ± 4.1 | 45 | 36 | 27 | 24 | 15 | 5-21 13:00:00 | 61.7 | ± 7.8 | 51.9 | ± 8.5 | 1017.1 | ± 6.9 | 7.2 | ± 4.1 | 55 | 48 | 24 | 18 | 6 | 5-21 14:00:00 | 64.3 | ± 8.2 | 51.6 | ± 8.3 | 1017.1 | ± 6.9 | 8.3 | ± 4.3 | 64 | 45 | 27 | 18 | 3 | 5-21 15:00:00 | 66.2 | ± 8.6 | 51.4 | ± 9.5 | 1016.9 | ± 6.9 | 9.5 | ± 4.8 | 70 | 48 | 24 | 6 | 3 | 5-21 16:00:00 | 67.7 | ± 8.9 | 51.6 | ± 9.4 | 1016.6 | ± 6.7 | 9.1 | ± 5.1 | 64 | 45 | 21 | 6 | 5-21 17:00:00 | 69.0 | ± 9.2 | 51.4 | ± 9.3 | 1016.3 | ± 6.7 | 10.1 | ± 4.6 | 76 | 52 | 18 | 3 | 5-21 18:00:00 | 69.7 | ± 9.3 | 50.7 | ± 9.8 | 1015.8 | ± 6.5 | 10.0 | ± 4.6 | 85 | 61 | 15 | 3 | 5-21 19:00:00 | 69.9 | ± 9.0 | 50.9 | ± 9.1 | 1015.6 | ± 6.4 | 10.0 | ± 4.6 | 76 | 61 | 12 | 3 | 3 | 5-21 20:00:00 | 70.0 | ± 8.9 | 50.1 | ± 9.4 | 1015.4 | ± 6.2 | 10.8 | ± 5.3 | 82 | 61 | 9 | 3 | 5-21 21:00:00 | 69.4 | ± 8.5 | 50.2 | ± 9.6 | 1015.3 | ± 6.0 | 10.4 | ± 4.8 | 73 | 58 | 12 | 3 | 5-21 22:00:00 | 68.5 | ± 8.3 | 50.3 | ± 9.3 | 1015.3 | ± 5.8 | 9.6 | ± 5.5 | 73 | 55 | 12 | 3 | 5-21 23:00:00 | 66.8 | ± 7.9 | 50.0 | ± 8.7 | 1015.6 | ± 5.6 | 8.9 | ± 4.6 | 70 | 55 | 12 | 3 |