| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.72 | 0.05 |
| Feb | 3.71 | 3.84 | -0.13 |
| Mar | 3.98 | 4.00 | -0.02 |
| Apr | 4.08 | 4.06 | 0.02 |
| May | 4.48 | 4.44 | 0.04 |
| Jun | 4.32 | 4.38 | -0.06 |
| Jul | 5.13 | 5.49 | -0.36 |
| Aug | 4.18 | 4.65 | -0.47 |
| Sep | 3.15 | 3.17 | -0.02 |
| Oct | 2.97 | 2.65 | 0.32 |
| Nov | 3.21 | 2.95 | 0.26 |
| Dec | 3.86 | 3.94 | -0.08 |
46.84 | 47.29 | -0.45 |