| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.45 | -0.10 |
| Feb | 3.23 | 3.38 | -0.15 |
| Mar | 3.47 | 3.52 | -0.05 |
| Apr | 3.29 | 3.21 | 0.08 |
| May | 3.39 | 3.61 | -0.22 |
| Jun | 5.63 | 5.68 | -0.05 |
| Jul | 5.67 | 6.17 | -0.50 |
| Aug | 6.19 | 6.36 | -0.17 |
| Sep | 5.06 | 5.39 | -0.33 |
| Oct | 4.21 | 4.17 | 0.04 |
| Nov | 2.88 | 2.79 | 0.09 |
| Dec | 3.41 | 3.63 | -0.22 |
49.78 | 51.36 | -1.58 |