| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.30 | -0.13 |
| Feb | 3.01 | 3.15 | -0.14 |
| Mar | 3.91 | 4.05 | -0.14 |
| Apr | 3.85 | 4.02 | -0.17 |
| May | 3.60 | 3.64 | -0.04 |
| Jun | 4.07 | 4.12 | -0.05 |
| Jul | 3.66 | 3.53 | 0.13 |
| Aug | 3.73 | 3.72 | 0.01 |
| Sep | 3.88 | 3.77 | 0.11 |
| Oct | 4.60 | 4.71 | -0.11 |
| Nov | 3.69 | 3.72 | -0.03 |
| Dec | 4.11 | 4.34 | -0.23 |
45.28 | 46.07 | -0.79 |