| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.72 | -0.29 |
| Feb | 2.08 | 2.42 | -0.34 |
| Mar | 2.57 | 3.05 | -0.48 |
| Apr | 2.96 | 3.20 | -0.24 |
| May | 3.20 | 3.36 | -0.16 |
| Jun | 3.99 | 3.94 | 0.05 |
| Jul | 4.20 | 4.26 | -0.06 |
| Aug | 3.79 | 3.61 | 0.18 |
| Sep | 3.25 | 3.44 | -0.19 |
| Oct | 4.02 | 4.33 | -0.31 |
| Nov | 2.67 | 3.07 | -0.40 |
| Dec | 3.00 | 3.39 | -0.39 |
38.16 | 40.79 | -2.63 |