| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.16 | 0.20 |
| Feb | 1.88 | 1.64 | 0.24 |
| Mar | 2.39 | 2.27 | 0.12 |
| Apr | 2.37 | 2.34 | 0.03 |
| May | 2.52 | 2.49 | 0.03 |
| Jun | 1.37 | 1.29 | 0.08 |
| Jul | 0.58 | 0.57 | 0.01 |
| Aug | 0.78 | 0.78 | 0.00 |
| Sep | 1.41 | 1.39 | 0.02 |
| Oct | 1.98 | 1.86 | 0.12 |
| Nov | 1.73 | 1.49 | 0.24 |
| Dec | 2.16 | 1.84 | 0.32 |
21.53 | 20.12 | 1.41 |