| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.72 | -0.02 |
| Feb | 0.76 | 0.83 | -0.07 |
| Mar | 1.56 | 1.60 | -0.04 |
| Apr | 3.21 | 3.24 | -0.03 |
| May | 4.24 | 4.42 | -0.18 |
| Jun | 4.72 | 4.78 | -0.06 |
| Jul | 3.70 | 3.57 | 0.13 |
| Aug | 3.61 | 3.65 | -0.04 |
| Sep | 3.13 | 3.03 | 0.10 |
| Oct | 2.33 | 2.27 | 0.06 |
| Nov | 1.39 | 1.36 | 0.03 |
| Dec | 0.90 | 0.95 | -0.05 |
30.25 | 30.42 | -0.17 |