| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.66 | -0.06 |
| Feb | 1.52 | 1.67 | -0.15 |
| Mar | 1.98 | 2.05 | -0.07 |
| Apr | 3.61 | 3.70 | -0.09 |
| May | 4.09 | 4.25 | -0.16 |
| Jun | 4.89 | 4.97 | -0.08 |
| Jul | 3.95 | 3.93 | 0.02 |
| Aug | 3.88 | 3.98 | -0.10 |
| Sep | 3.41 | 3.32 | 0.09 |
| Oct | 2.81 | 2.93 | -0.12 |
| Nov | 2.18 | 2.22 | -0.04 |
| Dec | 1.78 | 1.97 | -0.19 |
35.70 | 36.65 | -0.95 |