| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.43 | 8.18 | 0.25 |
| Feb | 7.34 | 6.78 | 0.56 |
| Mar | 7.54 | 7.26 | 0.28 |
| Apr | 4.80 | 4.63 | 0.17 |
| May | 2.50 | 2.29 | 0.21 |
| Jun | 1.02 | 1.06 | -0.04 |
| Jul | 0.18 | 0.22 | -0.04 |
| Aug | 0.20 | 0.22 | -0.02 |
| Sep | 0.85 | 0.87 | -0.02 |
| Oct | 3.24 | 3.04 | 0.20 |
| Nov | 6.39 | 5.90 | 0.49 |
| Dec | 10.38 | 9.81 | 0.57 |
52.87 | 50.26 | 2.61 |