| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.56 | -0.15 |
| Feb | 3.20 | 3.40 | -0.20 |
| Mar | 3.51 | 3.71 | -0.20 |
| Apr | 3.10 | 3.15 | -0.05 |
| May | 3.91 | 3.86 | 0.05 |
| Jun | 4.90 | 5.02 | -0.12 |
| Jul | 5.89 | 6.31 | -0.42 |
| Aug | 6.29 | 7.00 | -0.71 |
| Sep | 6.12 | 6.69 | -0.57 |
| Oct | 4.00 | 4.41 | -0.41 |
| Nov | 3.26 | 3.25 | 0.01 |
| Dec | 3.68 | 3.66 | 0.02 |
51.27 | 54.02 | -2.75 |