| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.39 | -0.33 |
| Feb | 1.05 | 1.12 | -0.07 |
| Mar | 1.31 | 1.30 | 0.01 |
| Apr | 2.31 | 2.22 | 0.09 |
| May | 3.03 | 2.87 | 0.16 |
| Jun | 3.85 | 3.70 | 0.15 |
| Jul | 3.71 | 3.51 | 0.20 |
| Aug | 2.83 | 2.79 | 0.04 |
| Sep | 3.17 | 3.11 | 0.06 |
| Oct | 3.13 | 3.24 | -0.11 |
| Nov | 2.05 | 2.28 | -0.23 |
| Dec | 1.59 | 1.81 | -0.22 |
29.09 | 29.34 | -0.25 |