| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 5.94 | 0.52 |
| Feb | 4.64 | 4.73 | -0.09 |
| Mar | 4.77 | 4.70 | 0.07 |
| Apr | 3.35 | 3.36 | -0.01 |
| May | 2.42 | 2.35 | 0.07 |
| Jun | 1.39 | 1.53 | -0.14 |
| Jul | 0.32 | 0.34 | -0.02 |
| Aug | 0.48 | 0.43 | 0.05 |
| Sep | 1.50 | 1.49 | 0.01 |
| Oct | 3.68 | 3.70 | -0.02 |
| Nov | 6.32 | 6.15 | 0.17 |
| Dec | 7.27 | 7.41 | -0.14 |
42.60 | 42.13 | 0.47 |