| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.36 | -0.06 |
| Feb | 0.35 | 0.39 | -0.04 |
| Mar | 0.80 | 0.94 | -0.14 |
| Apr | 1.70 | 1.72 | -0.02 |
| May | 2.31 | 2.41 | -0.10 |
| Jun | 1.70 | 1.59 | 0.11 |
| Jul | 1.51 | 1.48 | 0.03 |
| Aug | 1.49 | 1.28 | 0.21 |
| Sep | 1.17 | 1.18 | -0.01 |
| Oct | 1.03 | 1.09 | -0.06 |
| Nov | 0.61 | 0.60 | 0.01 |
| Dec | 0.39 | 0.46 | -0.07 |
13.36 | 13.50 | -0.14 |