| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.66 | 0.07 |
| Feb | 0.66 | 0.60 | 0.06 |
| Mar | 1.05 | 1.07 | -0.02 |
| Apr | 1.94 | 2.02 | -0.08 |
| May | 3.02 | 3.13 | -0.11 |
| Jun | 4.17 | 4.13 | 0.04 |
| Jul | 4.04 | 3.89 | 0.15 |
| Aug | 3.08 | 2.99 | 0.09 |
| Sep | 2.82 | 2.77 | 0.05 |
| Oct | 2.46 | 2.39 | 0.07 |
| Nov | 0.93 | 0.88 | 0.05 |
| Dec | 0.76 | 0.80 | -0.04 |
25.66 | 25.33 | 0.33 |