| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.45 | -0.16 |
| Feb | 1.97 | 2.14 | -0.17 |
| Mar | 2.31 | 2.39 | -0.08 |
| Apr | 3.55 | 3.66 | -0.11 |
| May | 4.26 | 4.21 | 0.05 |
| Jun | 4.32 | 4.30 | 0.02 |
| Jul | 3.96 | 4.14 | -0.18 |
| Aug | 4.16 | 4.18 | -0.02 |
| Sep | 3.33 | 3.38 | -0.05 |
| Oct | 3.60 | 3.89 | -0.29 |
| Nov | 2.70 | 2.86 | -0.16 |
| Dec | 2.27 | 2.33 | -0.06 |
38.72 | 39.93 | -1.21 |