| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.44 | 6.24 | 0.20 |
| Feb | 4.68 | 4.71 | -0.03 |
| Mar | 4.98 | 4.80 | 0.18 |
| Apr | 3.36 | 3.29 | 0.07 |
| May | 2.46 | 2.36 | 0.10 |
| Jun | 1.44 | 1.38 | 0.06 |
| Jul | 0.37 | 0.32 | 0.05 |
| Aug | 0.41 | 0.38 | 0.03 |
| Sep | 1.46 | 1.40 | 0.06 |
| Oct | 3.53 | 3.46 | 0.07 |
| Nov | 6.36 | 6.27 | 0.09 |
| Dec | 7.31 | 7.51 | -0.20 |
42.80 | 42.12 | 0.68 |