| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 4.03 | -0.39 |
| Feb | 3.16 | 3.53 | -0.37 |
| Mar | 4.64 | 5.14 | -0.50 |
| Apr | 4.18 | 4.58 | -0.40 |
| May | 3.49 | 3.50 | -0.01 |
| Jun | 3.72 | 3.87 | -0.15 |
| Jul | 3.16 | 3.21 | -0.05 |
| Aug | 3.68 | 3.89 | -0.21 |
| Sep | 3.91 | 3.98 | -0.07 |
| Oct | 4.56 | 4.71 | -0.15 |
| Nov | 3.81 | 4.14 | -0.33 |
| Dec | 4.53 | 4.99 | -0.46 |
46.48 | 49.57 | -3.09 |