| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.74 | 0.14 |
| Feb | 2.94 | 2.87 | 0.07 |
| Mar | 2.80 | 2.59 | 0.21 |
| Apr | 2.20 | 1.96 | 0.24 |
| May | 1.70 | 1.55 | 0.15 |
| Jun | 0.92 | 0.78 | 0.14 |
| Jul | 0.40 | 0.36 | 0.04 |
| Aug | 0.39 | 0.37 | 0.02 |
| Sep | 0.55 | 0.49 | 0.06 |
| Oct | 1.71 | 1.66 | 0.05 |
| Nov | 3.29 | 3.05 | 0.24 |
| Dec | 4.97 | 4.85 | 0.12 |
25.75 | 24.27 | 1.48 |