| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.92 | -0.34 |
| Feb | 2.10 | 2.36 | -0.26 |
| Mar | 2.80 | 3.09 | -0.29 |
| Apr | 3.51 | 3.71 | -0.20 |
| May | 3.83 | 3.87 | -0.04 |
| Jun | 3.95 | 3.81 | 0.14 |
| Jul | 3.80 | 3.88 | -0.08 |
| Aug | 3.55 | 3.60 | -0.05 |
| Sep | 3.68 | 3.78 | -0.10 |
| Oct | 3.43 | 3.45 | -0.02 |
| Nov | 3.07 | 3.02 | 0.05 |
| Dec | 2.74 | 2.97 | -0.23 |
39.04 | 40.46 | -1.42 |