| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.84 | 0.94 | -0.10 |
| Feb | 0.76 | 0.84 | -0.08 |
| Mar | 1.01 | 1.11 | -0.10 |
| Apr | 1.86 | 1.98 | -0.12 |
| May | 2.95 | 3.01 | -0.06 |
| Jun | 4.07 | 4.09 | -0.02 |
| Jul | 3.94 | 4.05 | -0.11 |
| Aug | 3.29 | 3.17 | 0.12 |
| Sep | 3.47 | 3.51 | -0.04 |
| Oct | 2.62 | 2.66 | -0.04 |
| Nov | 1.51 | 1.48 | 0.03 |
| Dec | 1.05 | 1.13 | -0.08 |
27.37 | 27.97 | -0.60 |