| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.46 | 0.53 | -0.07 |
| Feb | 0.55 | 0.61 | -0.06 |
| Mar | 1.08 | 1.37 | -0.29 |
| Apr | 1.85 | 2.07 | -0.22 |
| May | 2.46 | 2.50 | -0.04 |
| Jun | 1.59 | 1.72 | -0.13 |
| Jul | 1.97 | 1.97 | 0.00 |
| Aug | 1.59 | 1.94 | -0.35 |
| Sep | 1.27 | 1.37 | -0.10 |
| Oct | 0.94 | 1.13 | -0.19 |
| Nov | 0.67 | 0.81 | -0.14 |
| Dec | 0.52 | 0.58 | -0.06 |
14.95 | 16.60 | -1.65 |