| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 1.20 | 0.02 |
| Feb | 1.21 | 1.14 | 0.07 |
| Mar | 2.07 | 1.95 | 0.12 |
| Apr | 3.86 | 3.89 | -0.03 |
| May | 4.80 | 4.77 | 0.03 |
| Jun | 5.90 | 5.71 | 0.19 |
| Jul | 4.49 | 4.40 | 0.09 |
| Aug | 4.33 | 4.37 | -0.04 |
| Sep | 3.89 | 3.87 | 0.02 |
| Oct | 2.77 | 2.72 | 0.05 |
| Nov | 2.10 | 1.96 | 0.14 |
| Dec | 1.43 | 1.49 | -0.06 |
38.07 | 37.47 | 0.60 |