| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.10 | 4.04 | 0.06 |
| Feb | 4.49 | 4.60 | -0.11 |
| Mar | 4.71 | 4.88 | -0.17 |
| Apr | 4.67 | 4.95 | -0.28 |
| May | 5.15 | 5.71 | -0.56 |
| Jun | 4.15 | 3.95 | 0.20 |
| Jul | 4.17 | 4.44 | -0.27 |
| Aug | 3.40 | 3.27 | 0.13 |
| Sep | 3.55 | 3.79 | -0.24 |
| Oct | 3.54 | 3.68 | -0.14 |
| Nov | 3.70 | 3.72 | -0.02 |
| Dec | 4.74 | 4.75 | -0.01 |
50.37 | 51.78 | -1.41 |