| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.17 | -0.11 |
| Feb | 2.57 | 2.69 | -0.12 |
| Mar | 3.35 | 3.37 | -0.02 |
| Apr | 3.86 | 3.95 | -0.09 |
| May | 4.08 | 4.30 | -0.22 |
| Jun | 4.53 | 4.72 | -0.19 |
| Jul | 4.32 | 4.60 | -0.28 |
| Aug | 4.53 | 4.51 | 0.02 |
| Sep | 4.42 | 4.43 | -0.01 |
| Oct | 4.30 | 4.40 | -0.10 |
| Nov | 3.33 | 3.50 | -0.17 |
| Dec | 3.37 | 3.56 | -0.19 |
45.72 | 47.20 | -1.48 |