| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 4.10 | -0.16 |
| Feb | 3.83 | 3.87 | -0.04 |
| Mar | 4.39 | 4.49 | -0.10 |
| Apr | 3.04 | 3.20 | -0.16 |
| May | 3.32 | 3.27 | 0.05 |
| Jun | 4.25 | 4.18 | 0.07 |
| Jul | 3.74 | 3.77 | -0.03 |
| Aug | 3.93 | 4.03 | -0.10 |
| Sep | 3.30 | 3.57 | -0.27 |
| Oct | 3.09 | 3.13 | -0.04 |
| Nov | 3.49 | 3.58 | -0.09 |
| Dec | 4.47 | 4.48 | -0.01 |
44.79 | 45.67 | -0.88 |