| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.54 | -0.14 |
| Feb | 2.66 | 2.77 | -0.11 |
| Mar | 4.05 | 4.22 | -0.17 |
| Apr | 3.57 | 3.71 | -0.14 |
| May | 3.88 | 4.04 | -0.16 |
| Jun | 4.29 | 4.52 | -0.23 |
| Jul | 4.98 | 4.94 | 0.04 |
| Aug | 4.20 | 4.42 | -0.22 |
| Sep | 4.01 | 4.18 | -0.17 |
| Oct | 4.08 | 4.10 | -0.02 |
| Nov | 3.21 | 3.32 | -0.11 |
| Dec | 4.18 | 4.35 | -0.17 |
46.51 | 48.11 | -1.60 |