| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.82 | 0.05 |
| Feb | 0.95 | 0.88 | 0.07 |
| Mar | 1.81 | 1.68 | 0.13 |
| Apr | 3.17 | 2.92 | 0.25 |
| May | 4.39 | 4.23 | 0.16 |
| Jun | 5.06 | 4.98 | 0.08 |
| Jul | 4.34 | 4.10 | 0.24 |
| Aug | 4.46 | 4.45 | 0.01 |
| Sep | 3.44 | 3.42 | 0.02 |
| Oct | 2.55 | 2.49 | 0.06 |
| Nov | 1.63 | 1.54 | 0.09 |
| Dec | 1.23 | 1.20 | 0.03 |
33.90 | 32.71 | 1.19 |