| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.65 | 7.60 | -0.95 |
| Feb | 6.68 | 6.58 | 0.10 |
| Mar | 6.58 | 6.60 | -0.02 |
| Apr | 4.86 | 4.37 | 0.49 |
| May | 3.84 | 3.32 | 0.52 |
| Jun | 1.37 | 1.55 | -0.18 |
| Jul | 0.14 | 0.17 | -0.03 |
| Aug | 0.20 | 0.18 | 0.02 |
| Sep | 0.68 | 0.56 | 0.12 |
| Oct | 2.93 | 2.70 | 0.23 |
| Nov | 4.60 | 4.85 | -0.25 |
| Dec | 9.52 | 8.68 | 0.84 |
48.05 | 47.16 | 0.89 |