| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.94 | 1.82 | 0.12 |
| Feb | 2.20 | 2.14 | 0.06 |
| Mar | 3.25 | 3.05 | 0.20 |
| Apr | 4.22 | 4.19 | 0.03 |
| May | 5.67 | 5.14 | 0.53 |
| Jun | 4.70 | 4.75 | -0.05 |
| Jul | 3.68 | 3.71 | -0.03 |
| Aug | 3.18 | 3.12 | 0.06 |
| Sep | 4.49 | 4.33 | 0.16 |
| Oct | 3.83 | 3.84 | -0.01 |
| Nov | 2.80 | 2.97 | -0.17 |
| Dec | 2.65 | 2.60 | 0.05 |
42.61 | 41.66 | 0.95 |