| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.44 | -0.09 |
| Feb | 0.43 | 0.50 | -0.07 |
| Mar | 0.72 | 0.92 | -0.20 |
| Apr | 1.17 | 1.58 | -0.41 |
| May | 1.86 | 1.81 | 0.05 |
| Jun | 1.53 | 1.53 | 0.00 |
| Jul | 1.54 | 1.55 | -0.01 |
| Aug | 1.13 | 1.35 | -0.22 |
| Sep | 1.15 | 1.31 | -0.16 |
| Oct | 1.01 | 1.03 | -0.02 |
| Nov | 0.51 | 0.68 | -0.17 |
| Dec | 0.42 | 0.46 | -0.04 |
11.82 | 13.16 | -1.34 |