| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.69 | 4.72 | -0.03 |
| Feb | 4.80 | 4.85 | -0.05 |
| Mar | 4.95 | 5.09 | -0.14 |
| Apr | 4.19 | 4.20 | -0.01 |
| May | 3.52 | 3.57 | -0.05 |
| Jun | 4.27 | 4.17 | 0.10 |
| Jul | 4.87 | 4.54 | 0.33 |
| Aug | 4.12 | 4.12 | 0.00 |
| Sep | 3.46 | 3.39 | 0.07 |
| Oct | 3.11 | 3.36 | -0.25 |
| Nov | 4.04 | 3.82 | 0.22 |
| Dec | 4.87 | 4.94 | -0.07 |
50.89 | 50.77 | 0.12 |