| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.88 | 7.35 | 0.53 |
| Feb | 6.13 | 5.50 | 0.63 |
| Mar | 6.55 | 6.01 | 0.54 |
| Apr | 5.37 | 4.70 | 0.67 |
| May | 3.90 | 3.51 | 0.39 |
| Jun | 2.81 | 2.51 | 0.30 |
| Jul | 0.67 | 0.63 | 0.04 |
| Aug | 0.85 | 0.71 | 0.14 |
| Sep | 2.30 | 2.04 | 0.26 |
| Oct | 5.72 | 5.01 | 0.71 |
| Nov | 8.64 | 7.85 | 0.79 |
| Dec | 8.82 | 8.41 | 0.41 |
59.64 | 54.23 | 5.41 |