| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.82 | 3.94 | -0.12 |
| Feb | 3.57 | 3.64 | -0.07 |
| Mar | 3.95 | 4.11 | -0.16 |
| Apr | 3.08 | 3.16 | -0.08 |
| May | 3.27 | 3.44 | -0.17 |
| Jun | 4.97 | 4.87 | 0.10 |
| Jul | 4.53 | 4.89 | -0.36 |
| Aug | 4.66 | 4.94 | -0.28 |
| Sep | 3.99 | 4.11 | -0.12 |
| Oct | 3.25 | 3.34 | -0.09 |
| Nov | 3.00 | 3.18 | -0.18 |
| Dec | 3.93 | 3.96 | -0.03 |
46.02 | 47.58 | -1.56 |