| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.06 | -0.08 |
| Feb | 2.98 | 3.09 | -0.11 |
| Mar | 3.58 | 3.59 | -0.01 |
| Apr | 4.06 | 4.14 | -0.08 |
| May | 5.10 | 5.27 | -0.17 |
| Jun | 5.51 | 5.57 | -0.06 |
| Jul | 4.09 | 4.29 | -0.20 |
| Aug | 4.81 | 5.17 | -0.36 |
| Sep | 4.97 | 5.31 | -0.34 |
| Oct | 4.94 | 4.79 | 0.15 |
| Nov | 4.31 | 4.51 | -0.20 |
| Dec | 3.96 | 4.09 | -0.13 |
52.29 | 53.88 | -1.59 |