| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.27 | -0.10 |
| Feb | 3.25 | 3.08 | 0.17 |
| Mar | 4.28 | 4.24 | 0.04 |
| Apr | 4.50 | 4.74 | -0.24 |
| May | 5.00 | 5.07 | -0.07 |
| Jun | 4.65 | 4.71 | -0.06 |
| Jul | 4.57 | 4.60 | -0.03 |
| Aug | 3.39 | 3.15 | 0.24 |
| Sep | 3.24 | 3.29 | -0.05 |
| Oct | 3.24 | 3.28 | -0.04 |
| Nov | 3.10 | 3.21 | -0.11 |
| Dec | 3.72 | 3.78 | -0.06 |
46.11 | 46.42 | -0.31 |