| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.82 | 0.05 |
| Feb | 0.95 | 0.86 | 0.09 |
| Mar | 1.81 | 1.66 | 0.15 |
| Apr | 3.17 | 2.90 | 0.27 |
| May | 4.39 | 4.23 | 0.16 |
| Jun | 5.06 | 4.96 | 0.10 |
| Jul | 4.34 | 4.08 | 0.26 |
| Aug | 4.46 | 4.43 | 0.03 |
| Sep | 3.44 | 3.41 | 0.03 |
| Oct | 2.55 | 2.49 | 0.06 |
| Nov | 1.63 | 1.53 | 0.10 |
| Dec | 1.23 | 1.18 | 0.05 |
33.90 | 32.55 | 1.35 |