| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.24 | -0.22 |
| Feb | 3.60 | 3.71 | -0.11 |
| Mar | 5.05 | 5.12 | -0.07 |
| Apr | 4.30 | 4.39 | -0.09 |
| May | 3.48 | 3.55 | -0.07 |
| Jun | 3.53 | 3.65 | -0.12 |
| Jul | 2.85 | 2.92 | -0.07 |
| Aug | 3.55 | 3.68 | -0.13 |
| Sep | 4.14 | 4.18 | -0.04 |
| Oct | 4.93 | 4.74 | 0.19 |
| Nov | 4.35 | 4.25 | 0.10 |
| Dec | 4.86 | 5.18 | -0.32 |
48.66 | 49.61 | -0.95 |