| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 1.55 | 0.28 |
| Feb | 1.51 | 1.29 | 0.22 |
| Mar | 1.78 | 1.79 | -0.01 |
| Apr | 2.71 | 2.56 | 0.15 |
| May | 3.26 | 3.01 | 0.25 |
| Jun | 3.52 | 3.46 | 0.06 |
| Jul | 4.01 | 3.90 | 0.11 |
| Aug | 3.02 | 2.96 | 0.06 |
| Sep | 3.81 | 3.49 | 0.32 |
| Oct | 3.74 | 3.52 | 0.22 |
| Nov | 2.46 | 2.17 | 0.29 |
| Dec | 2.08 | 1.86 | 0.22 |
33.73 | 31.56 | 2.17 |