| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.75 | -0.03 |
| Feb | 0.79 | 0.84 | -0.05 |
| Mar | 1.44 | 1.52 | -0.08 |
| Apr | 2.59 | 2.71 | -0.12 |
| May | 3.38 | 3.42 | -0.04 |
| Jun | 4.51 | 4.75 | -0.24 |
| Jul | 3.92 | 4.04 | -0.12 |
| Aug | 3.76 | 4.09 | -0.33 |
| Sep | 2.94 | 3.05 | -0.11 |
| Oct | 2.36 | 2.57 | -0.21 |
| Nov | 1.33 | 1.38 | -0.05 |
| Dec | 0.88 | 0.94 | -0.06 |
28.62 | 30.06 | -1.44 |