| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.07 | 0.06 |
| Feb | 1.18 | 1.19 | -0.01 |
| Mar | 1.91 | 2.02 | -0.11 |
| Apr | 3.82 | 3.85 | -0.03 |
| May | 4.65 | 4.72 | -0.07 |
| Jun | 5.85 | 5.73 | 0.12 |
| Jul | 4.30 | 4.62 | -0.32 |
| Aug | 4.10 | 4.18 | -0.08 |
| Sep | 3.69 | 3.48 | 0.21 |
| Oct | 2.78 | 2.82 | -0.04 |
| Nov | 2.01 | 1.95 | 0.06 |
| Dec | 1.51 | 1.48 | 0.03 |
36.93 | 37.11 | -0.18 |