| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.71 | -0.12 |
| Feb | 2.94 | 2.95 | -0.01 |
| Mar | 4.23 | 4.21 | 0.02 |
| Apr | 3.78 | 3.85 | -0.07 |
| May | 3.73 | 3.84 | -0.11 |
| Jun | 4.43 | 4.41 | 0.02 |
| Jul | 4.40 | 4.44 | -0.04 |
| Aug | 4.20 | 4.21 | -0.01 |
| Sep | 4.75 | 5.00 | -0.25 |
| Oct | 3.52 | 3.41 | 0.11 |
| Nov | 3.37 | 3.39 | -0.02 |
| Dec | 3.58 | 3.60 | -0.02 |
46.52 | 47.02 | -0.50 |