| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.56 | 0.07 |
| Feb | 1.71 | 1.60 | 0.11 |
| Mar | 1.42 | 1.46 | -0.04 |
| Apr | 0.39 | 0.44 | -0.05 |
| May | 0.21 | 0.23 | -0.02 |
| Jun | 0.06 | 0.06 | 0.00 |
| Jul | 1.02 | 0.95 | 0.07 |
| Aug | 1.60 | 1.45 | 0.15 |
| Sep | 1.09 | 0.86 | 0.23 |
| Oct | 0.84 | 0.96 | -0.12 |
| Nov | 0.90 | 0.78 | 0.12 |
| Dec | 1.41 | 1.38 | 0.03 |
12.28 | 11.73 | 0.55 |