| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.92 | 3.00 | -0.08 |
| Feb | 2.48 | 2.49 | -0.01 |
| Mar | 3.49 | 3.70 | -0.21 |
| Apr | 3.31 | 3.44 | -0.13 |
| May | 4.26 | 4.39 | -0.13 |
| Jun | 4.25 | 4.27 | -0.02 |
| Jul | 4.17 | 4.06 | 0.11 |
| Aug | 3.40 | 3.50 | -0.10 |
| Sep | 4.06 | 4.45 | -0.39 |
| Oct | 3.61 | 3.84 | -0.23 |
| Nov | 2.94 | 3.14 | -0.20 |
| Dec | 3.43 | 3.61 | -0.18 |
42.32 | 43.89 | -1.57 |