| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.82 | -0.45 |
| Feb | 2.94 | 3.34 | -0.40 |
| Mar | 4.32 | 4.79 | -0.47 |
| Apr | 4.04 | 4.34 | -0.30 |
| May | 3.47 | 3.39 | 0.08 |
| Jun | 3.65 | 3.65 | 0.00 |
| Jul | 3.06 | 3.05 | 0.01 |
| Aug | 3.60 | 3.74 | -0.14 |
| Sep | 3.93 | 3.83 | 0.10 |
| Oct | 4.33 | 4.52 | -0.19 |
| Nov | 3.57 | 3.84 | -0.27 |
| Dec | 4.21 | 4.70 | -0.49 |
44.49 | 47.01 | -2.52 |