| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.13 | -0.15 |
| Feb | 2.98 | 3.16 | -0.18 |
| Mar | 3.60 | 3.76 | -0.16 |
| Apr | 4.01 | 4.12 | -0.11 |
| May | 5.17 | 5.37 | -0.20 |
| Jun | 5.61 | 5.71 | -0.10 |
| Jul | 4.16 | 4.46 | -0.30 |
| Aug | 4.95 | 5.37 | -0.42 |
| Sep | 4.96 | 5.46 | -0.50 |
| Oct | 5.01 | 4.95 | 0.06 |
| Nov | 4.30 | 4.57 | -0.27 |
| Dec | 4.05 | 4.17 | -0.12 |
52.78 | 55.23 | -2.45 |