| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 1.05 | -0.12 |
| Feb | 0.84 | 0.97 | -0.13 |
| Mar | 1.34 | 1.45 | -0.11 |
| Apr | 2.38 | 2.57 | -0.19 |
| May | 3.08 | 3.23 | -0.15 |
| Jun | 4.16 | 4.20 | -0.04 |
| Jul | 3.82 | 3.76 | 0.06 |
| Aug | 3.46 | 3.62 | -0.16 |
| Sep | 3.16 | 3.37 | -0.21 |
| Oct | 2.82 | 2.99 | -0.17 |
| Nov | 1.71 | 1.95 | -0.24 |
| Dec | 1.27 | 1.43 | -0.16 |
28.97 | 30.59 | -1.62 |