| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.53 | -0.08 |
| Feb | 0.63 | 0.72 | -0.09 |
| Mar | 0.94 | 1.05 | -0.11 |
| Apr | 1.89 | 1.96 | -0.07 |
| May | 2.95 | 3.25 | -0.30 |
| Jun | 2.31 | 2.43 | -0.12 |
| Jul | 1.60 | 1.64 | -0.04 |
| Aug | 1.19 | 1.26 | -0.07 |
| Sep | 1.11 | 1.17 | -0.06 |
| Oct | 1.42 | 1.51 | -0.09 |
| Nov | 0.55 | 0.61 | -0.06 |
| Dec | 0.48 | 0.60 | -0.12 |
15.52 | 16.73 | -1.21 |