Mailing Address:
Pennsylvania State Climatologist503 Walker Building
University Park, PA 16802
| Date | # obs | High Temp. | Low Temp. | Avg Temp. | Temp Departure | HDD | CDD | GDD | Avg Dewpoint | Avg RH | Avg Wind Speed | Avg Wind Dir | Avg Press | Total Precip |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-01-27 | 24 | 37 | 21 | 29 | 3 | 36 | 0 | 0 | 11 | 50 | 11 | 257 | 1013.6 | |
| 2025-01-26 | 24 | 38 | 28 | 33 | 8 | 32 | 0 | 0 | 18 | 54 | 8 | 284 | 1022.0 | |
| 2025-01-25 | 24 | 38 | 14 | 26 | 1 | 39 | 0 | 0 | 14 | 60 | 9 | 218 | 1022.2 | |
| 2025-01-24 | 24 | 27 | 12 | 19 | -6 | 46 | 0 | 0 | 10 | 69 | 4 | 226 | 1022.8 | |
| 2025-01-23 | 24 | 28 | 14 | 22 | -3 | 43 | 0 | 0 | 9 | 58 | 8 | 223 | 1020.1 | |
| 2025-01-22 | 24 | 16 | -6 | 6 | -19 | 59 | 0 | 0 | -8 | 54 | 5 | 163 | 1028.4 | |
| 2025-01-21 | 24 | 17 | -1 | 7 | -18 | 58 | 0 | 0 | -5 | 58 | 7 | 265 | 1030.4 | |
| 2025-01-20 | 24 | 20 | 4 | 12 | -13 | 53 | 0 | 0 | -0 | 59 | 9 | 287 | 1026.6 | |
| 2025-01-19 | 24 | 29 | 20 | 25 | 0 | 40 | 0 | 0 | 17 | 72 | 7 | 123 | 1013.2 | |
| 2025-01-18 | 24 | 42 | 29 | 36 | 11 | 29 | 0 | 0 | 29 | 76 | 8 | 200 | 1007.8 | |
| 2025-01-17 | 24 | 41 | 30 | 35 | 10 | 30 | 0 | 0 | 25 | 70 | 8 | 224 | 1014.5 | |
| 2025-01-16 | 24 | 29 | 14 | 24 | -2 | 41 | 0 | 0 | 18 | 78 | 8 | 247 | 1011.8 | |
| 2025-01-15 | 24 | 27 | 9 | 17 | -9 | 48 | 0 | 0 | 9 | 73 | 8 | 269 | 1026.0 | |
| 2025-01-14 | 23 | 20 | 10 | 15 | -11 | 50 | 0 | 0 | 9 | 75 | 7 | 251 | 1021.4 | |
| 2025-01-13 | 24 | 36 | 16 | 31 | 5 | 34 | 0 | 0 | 18 | 58 | 11 | 274 | 1015.7 | |
| 2025-01-12 | 24 | 33 | 24 | 29 | 3 | 36 | 0 | 0 | 22 | 75 | 6 | 216 | 1015.2 | |
| 2025-01-11 | 24 | 29 | 19 | 25 | -1 | 40 | 0 | 0 | 20 | 82 | 4 | 202 | 1006.6 | |
| 2025-01-10 | 24 | 24 | 9 | 18 | -8 | 47 | 0 | 0 | 10 | 71 | 2 | 83 | 1015.7 | |
| 2025-01-09 | 24 | 27 | 15 | 20 | -6 | 45 | 0 | 0 | 9 | 63 | 5 | 276 | 1021.8 | |
| 2025-01-08 | 24 | 27 | 19 | 22 | -4 | 43 | 0 | 0 | 15 | 74 | 5 | 267 | 1020.6 | |
| 2025-01-07 | 24 | 28 | 20 | 24 | -2 | 41 | 0 | 0 | 17 | 74 | 8 | 312 | 1021.8 | |
| 2025-01-06 | 24 | 29 | 20 | 24 | -3 | 41 | 0 | 0 | 17 | 75 | 7 | 76 | 1011.4 | |
| 2025-01-05 | 24 | 25 | 14 | 20 | -7 | 45 | 0 | 0 | 10 | 64 | 5 | 180 | 1020.5 | |
| 2025-01-04 | 24 | 25 | 19 | 22 | -5 | 43 | 0 | 0 | 13 | 68 | 12 | 289 | 1019.5 | |
| 2025-01-03 | 24 | 31 | 24 | 27 | 0 | 38 | 0 | 0 | 21 | 78 | 7 | 231 | 1015.5 | |
| 2025-01-02 | 17 | 31 | 27 | 29 | 2 | 36 | 0 | 0 | 19 | 68 | 9 | 288 | 1020.7 |