| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.77 | -0.20 |
| Feb | 2.99 | 3.12 | -0.13 |
| Mar | 3.87 | 3.94 | -0.07 |
| Apr | 3.40 | 3.62 | -0.22 |
| May | 3.75 | 3.88 | -0.13 |
| Jun | 4.50 | 4.50 | 0.00 |
| Jul | 5.45 | 5.44 | 0.01 |
| Aug | 5.43 | 5.32 | 0.11 |
| Sep | 4.95 | 4.88 | 0.07 |
| Oct | 3.88 | 4.05 | -0.17 |
| Nov | 3.13 | 3.50 | -0.37 |
| Dec | 3.39 | 3.69 | -0.30 |
48.31 | 49.71 | -1.40 |