| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.18 | -0.10 |
| Feb | 2.73 | 2.90 | -0.17 |
| Mar | 3.89 | 4.09 | -0.20 |
| Apr | 3.57 | 3.59 | -0.02 |
| May | 4.25 | 4.35 | -0.10 |
| Jun | 4.31 | 4.27 | 0.04 |
| Jul | 4.42 | 4.36 | 0.06 |
| Aug | 4.17 | 4.03 | 0.14 |
| Sep | 4.42 | 4.50 | -0.08 |
| Oct | 4.10 | 4.20 | -0.10 |
| Nov | 3.32 | 3.30 | 0.02 |
| Dec | 3.73 | 3.94 | -0.21 |
45.99 | 46.71 | -0.72 |