| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.31 | 2.46 | -0.15 |
| Feb | 2.52 | 2.58 | -0.06 |
| Mar | 3.43 | 3.45 | -0.02 |
| Apr | 3.22 | 3.24 | -0.02 |
| May | 4.36 | 4.44 | -0.08 |
| Jun | 3.94 | 3.65 | 0.29 |
| Jul | 1.97 | 1.93 | 0.04 |
| Aug | 2.40 | 2.42 | -0.02 |
| Sep | 3.05 | 3.06 | -0.01 |
| Oct | 4.19 | 4.39 | -0.20 |
| Nov | 2.89 | 2.83 | 0.06 |
| Dec | 2.53 | 2.72 | -0.19 |
36.81 | 37.17 | -0.36 |