| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.15 | -0.31 |
| Feb | 2.28 | 2.62 | -0.34 |
| Mar | 2.94 | 3.34 | -0.40 |
| Apr | 3.22 | 3.34 | -0.12 |
| May | 3.52 | 3.79 | -0.27 |
| Jun | 4.40 | 4.37 | 0.03 |
| Jul | 4.22 | 4.47 | -0.25 |
| Aug | 3.97 | 4.57 | -0.60 |
| Sep | 4.37 | 4.44 | -0.07 |
| Oct | 4.18 | 4.40 | -0.22 |
| Nov | 3.03 | 3.11 | -0.08 |
| Dec | 3.46 | 4.00 | -0.54 |
42.43 | 45.60 | -3.17 |