| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.10 | -0.16 |
| Feb | 3.83 | 3.88 | -0.05 |
| Mar | 4.39 | 4.49 | -0.10 |
| Apr | 3.04 | 3.21 | -0.17 |
| May | 3.32 | 3.25 | 0.07 |
| Jun | 4.25 | 4.13 | 0.12 |
| Jul | 3.74 | 3.72 | 0.02 |
| Aug | 3.93 | 3.98 | -0.05 |
| Sep | 3.30 | 3.56 | -0.26 |
| Oct | 3.09 | 3.14 | -0.05 |
| Nov | 3.49 | 3.60 | -0.11 |
| Dec | 4.47 | 4.49 | -0.02 |
44.79 | 45.55 | -0.76 |