| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.63 | 0.56 | 0.07 |
| Feb | 0.77 | 0.66 | 0.11 |
| Mar | 1.56 | 1.54 | 0.02 |
| Apr | 2.62 | 2.45 | 0.17 |
| May | 3.24 | 3.30 | -0.06 |
| Jun | 2.02 | 2.11 | -0.09 |
| Jul | 2.15 | 1.96 | 0.19 |
| Aug | 1.88 | 1.73 | 0.15 |
| Sep | 1.66 | 1.71 | -0.05 |
| Oct | 1.43 | 1.30 | 0.13 |
| Nov | 0.97 | 0.94 | 0.03 |
| Dec | 0.64 | 0.63 | 0.01 |
19.57 | 18.89 | 0.68 |