| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.79 | 0.05 |
| Feb | 1.21 | 1.24 | -0.03 |
| Mar | 2.23 | 2.15 | 0.08 |
| Apr | 2.87 | 2.95 | -0.08 |
| May | 5.09 | 4.94 | 0.15 |
| Jun | 4.50 | 4.38 | 0.12 |
| Jul | 4.35 | 4.34 | 0.01 |
| Aug | 3.92 | 3.86 | 0.06 |
| Sep | 3.03 | 3.10 | -0.07 |
| Oct | 2.49 | 2.41 | 0.08 |
| Nov | 1.52 | 1.49 | 0.03 |
| Dec | 1.27 | 1.23 | 0.04 |
33.32 | 32.88 | 0.44 |