| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 0.90 | 0.05 |
| Feb | 0.97 | 0.88 | 0.09 |
| Mar | 1.93 | 1.81 | 0.12 |
| Apr | 3.49 | 3.31 | 0.18 |
| May | 4.60 | 4.48 | 0.12 |
| Jun | 5.29 | 5.31 | -0.02 |
| Jul | 4.76 | 4.82 | -0.06 |
| Aug | 4.42 | 4.31 | 0.11 |
| Sep | 3.68 | 3.63 | 0.05 |
| Oct | 2.55 | 2.49 | 0.06 |
| Nov | 1.65 | 1.54 | 0.11 |
| Dec | 1.23 | 1.18 | 0.05 |
35.52 | 34.66 | 0.86 |