| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.82 | -0.05 |
| Feb | 0.71 | 0.71 | 0.00 |
| Mar | 1.17 | 1.15 | 0.02 |
| Apr | 1.89 | 1.92 | -0.03 |
| May | 3.00 | 3.06 | -0.06 |
| Jun | 4.46 | 4.40 | 0.06 |
| Jul | 3.95 | 4.11 | -0.16 |
| Aug | 3.20 | 3.35 | -0.15 |
| Sep | 2.95 | 3.14 | -0.19 |
| Oct | 2.63 | 2.62 | 0.01 |
| Nov | 1.33 | 1.37 | -0.04 |
| Dec | 0.97 | 1.03 | -0.06 |
27.03 | 27.68 | -0.65 |