| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.88 | 4.05 | 0.83 |
| Feb | 5.65 | 4.60 | 1.05 |
| Mar | 3.31 | 2.87 | 0.44 |
| Apr | 1.30 | 1.02 | 0.28 |
| May | 0.71 | 0.53 | 0.18 |
| Jun | 0.09 | 0.14 | -0.05 |
| Jul | 0.32 | 0.38 | -0.06 |
| Aug | 0.20 | 0.27 | -0.07 |
| Sep | 0.28 | 0.33 | -0.05 |
| Oct | 0.94 | 1.01 | -0.07 |
| Nov | 1.56 | 1.24 | 0.32 |
| Dec | 3.83 | 3.09 | 0.74 |
23.07 | 19.53 | 3.54 |