| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.41 | -0.19 |
| Feb | 1.97 | 2.12 | -0.15 |
| Mar | 2.31 | 2.37 | -0.06 |
| Apr | 3.55 | 3.65 | -0.10 |
| May | 4.40 | 4.13 | 0.27 |
| Jun | 4.39 | 4.32 | 0.07 |
| Jul | 4.00 | 4.13 | -0.13 |
| Aug | 4.31 | 4.18 | 0.13 |
| Sep | 3.36 | 3.34 | 0.02 |
| Oct | 3.57 | 3.78 | -0.21 |
| Nov | 2.66 | 2.83 | -0.17 |
| Dec | 2.21 | 2.30 | -0.09 |
38.95 | 39.56 | -0.61 |