| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.33 | 0.05 |
| Feb | 0.57 | 0.50 | 0.07 |
| Mar | 1.11 | 0.94 | 0.17 |
| Apr | 2.06 | 2.03 | 0.03 |
| May | 3.52 | 3.58 | -0.06 |
| Jun | 3.17 | 2.97 | 0.20 |
| Jul | 2.42 | 2.22 | 0.20 |
| Aug | 1.49 | 1.74 | -0.25 |
| Sep | 1.31 | 1.30 | 0.01 |
| Oct | 1.36 | 1.51 | -0.15 |
| Nov | 0.52 | 0.52 | 0.00 |
| Dec | 0.42 | 0.39 | 0.03 |
18.33 | 18.03 | 0.30 |