| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.38 | -0.06 |
| Feb | 2.97 | 3.01 | -0.04 |
| Mar | 3.69 | 3.71 | -0.02 |
| Apr | 3.94 | 3.92 | 0.02 |
| May | 3.70 | 3.71 | -0.01 |
| Jun | 4.60 | 4.48 | 0.12 |
| Jul | 4.27 | 4.10 | 0.17 |
| Aug | 4.29 | 4.14 | 0.15 |
| Sep | 4.55 | 4.52 | 0.03 |
| Oct | 4.82 | 4.80 | 0.02 |
| Nov | 3.55 | 3.55 | 0.00 |
| Dec | 4.17 | 4.28 | -0.11 |
47.87 | 47.60 | 0.27 |