| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 3.40 | 0.79 |
| Feb | 3.23 | 2.77 | 0.46 |
| Mar | 3.51 | 3.13 | 0.38 |
| Apr | 2.73 | 2.31 | 0.42 |
| May | 2.65 | 2.58 | 0.07 |
| Jun | 2.37 | 2.62 | -0.25 |
| Jul | 0.91 | 0.70 | 0.21 |
| Aug | 0.88 | 0.80 | 0.08 |
| Sep | 1.33 | 1.15 | 0.18 |
| Oct | 2.94 | 2.48 | 0.46 |
| Nov | 4.39 | 3.51 | 0.88 |
| Dec | 4.10 | 3.26 | 0.84 |
33.23 | 28.71 | 4.52 |