| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.77 | 0.01 |
| Feb | 0.82 | 0.86 | -0.04 |
| Mar | 1.42 | 1.49 | -0.07 |
| Apr | 2.63 | 2.71 | -0.08 |
| May | 3.65 | 3.62 | 0.03 |
| Jun | 4.43 | 4.43 | 0.00 |
| Jul | 4.41 | 4.54 | -0.13 |
| Aug | 3.93 | 4.04 | -0.11 |
| Sep | 3.27 | 3.39 | -0.12 |
| Oct | 3.02 | 3.06 | -0.04 |
| Nov | 1.60 | 1.60 | 0.00 |
| Dec | 1.11 | 1.20 | -0.09 |
31.07 | 31.71 | -0.64 |