| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.59 | 0.12 |
| Feb | 0.92 | 0.75 | 0.17 |
| Mar | 1.39 | 1.49 | -0.10 |
| Apr | 2.48 | 2.27 | 0.21 |
| May | 2.76 | 2.61 | 0.15 |
| Jun | 1.88 | 1.78 | 0.10 |
| Jul | 2.24 | 2.62 | -0.38 |
| Aug | 1.97 | 1.90 | 0.07 |
| Sep | 1.65 | 1.60 | 0.05 |
| Oct | 1.23 | 1.15 | 0.08 |
| Nov | 1.02 | 0.74 | 0.28 |
| Dec | 0.68 | 0.61 | 0.07 |
18.93 | 18.11 | 0.82 |