| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.88 | -0.14 |
| Feb | 3.24 | 3.32 | -0.08 |
| Mar | 4.11 | 4.22 | -0.11 |
| Apr | 3.94 | 4.11 | -0.17 |
| May | 3.74 | 3.92 | -0.18 |
| Jun | 4.39 | 4.51 | -0.12 |
| Jul | 4.07 | 4.22 | -0.15 |
| Aug | 4.38 | 4.51 | -0.13 |
| Sep | 4.04 | 4.17 | -0.13 |
| Oct | 3.48 | 3.37 | 0.11 |
| Nov | 3.46 | 3.49 | -0.03 |
| Dec | 3.89 | 4.07 | -0.18 |
46.48 | 47.79 | -1.31 |