| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 3.50 | 0.37 |
| Feb | 2.84 | 2.51 | 0.33 |
| Mar | 2.74 | 2.43 | 0.31 |
| Apr | 2.14 | 1.97 | 0.17 |
| May | 1.65 | 1.50 | 0.15 |
| Jun | 0.87 | 0.80 | 0.07 |
| Jul | 0.36 | 0.34 | 0.02 |
| Aug | 0.33 | 0.42 | -0.09 |
| Sep | 0.52 | 0.50 | 0.02 |
| Oct | 1.70 | 1.57 | 0.13 |
| Nov | 3.39 | 3.00 | 0.39 |
| Dec | 4.88 | 4.50 | 0.38 |
25.29 | 23.04 | 2.25 |