| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.63 | -0.18 |
| Feb | 3.18 | 3.23 | -0.05 |
| Mar | 4.14 | 4.26 | -0.12 |
| Apr | 4.02 | 4.19 | -0.17 |
| May | 3.62 | 3.54 | 0.08 |
| Jun | 4.07 | 4.11 | -0.04 |
| Jul | 3.62 | 3.72 | -0.10 |
| Aug | 3.71 | 3.84 | -0.13 |
| Sep | 3.95 | 3.85 | 0.10 |
| Oct | 4.72 | 4.69 | 0.03 |
| Nov | 3.87 | 3.79 | 0.08 |
| Dec | 4.44 | 4.62 | -0.18 |
46.79 | 47.47 | -0.68 |