| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.29 | 0.07 |
| Feb | 0.97 | 0.95 | 0.02 |
| Mar | 0.77 | 0.74 | 0.03 |
| Apr | 0.59 | 0.53 | 0.06 |
| May | 0.73 | 0.68 | 0.05 |
| Jun | 0.55 | 0.60 | -0.05 |
| Jul | 0.28 | 0.27 | 0.01 |
| Aug | 0.21 | 0.18 | 0.03 |
| Sep | 0.28 | 0.24 | 0.04 |
| Oct | 0.77 | 0.72 | 0.05 |
| Nov | 1.23 | 1.11 | 0.12 |
| Dec | 1.65 | 1.54 | 0.11 |
9.39 | 8.85 | 0.54 |