| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.34 | 2.59 | -0.25 |
| Feb | 1.98 | 2.22 | -0.24 |
| Mar | 2.29 | 2.41 | -0.12 |
| Apr | 3.53 | 3.63 | -0.10 |
| May | 4.23 | 4.17 | 0.06 |
| Jun | 4.21 | 4.25 | -0.04 |
| Jul | 3.90 | 4.13 | -0.23 |
| Aug | 4.05 | 4.12 | -0.07 |
| Sep | 3.37 | 3.42 | -0.05 |
| Oct | 3.60 | 3.98 | -0.38 |
| Nov | 2.70 | 2.89 | -0.19 |
| Dec | 2.31 | 2.40 | -0.09 |
38.51 | 40.21 | -1.70 |