| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.60 | -0.12 |
| Feb | 2.84 | 2.85 | -0.01 |
| Mar | 4.29 | 4.40 | -0.11 |
| Apr | 3.57 | 3.52 | 0.05 |
| May | 3.56 | 3.65 | -0.09 |
| Jun | 4.12 | 4.19 | -0.07 |
| Jul | 4.82 | 4.81 | 0.01 |
| Aug | 4.58 | 4.87 | -0.29 |
| Sep | 3.95 | 4.07 | -0.12 |
| Oct | 4.05 | 4.01 | 0.04 |
| Nov | 3.24 | 3.23 | 0.01 |
| Dec | 4.23 | 4.34 | -0.11 |
46.73 | 47.54 | -0.81 |