| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.56 | 6.68 | -0.12 |
| Feb | 5.08 | 5.02 | 0.06 |
| Mar | 5.39 | 4.84 | 0.55 |
| Apr | 3.46 | 3.23 | 0.23 |
| May | 2.17 | 2.16 | 0.01 |
| Jun | 1.15 | 1.29 | -0.14 |
| Jul | 0.30 | 0.29 | 0.01 |
| Aug | 0.37 | 0.35 | 0.02 |
| Sep | 1.33 | 1.40 | -0.07 |
| Oct | 3.52 | 3.43 | 0.09 |
| Nov | 6.37 | 6.42 | -0.05 |
| Dec | 7.71 | 7.70 | 0.01 |
43.41 | 42.81 | 0.60 |