| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.83 | 6.12 | 0.71 |
| Feb | 6.45 | 5.99 | 0.46 |
| Mar | 6.21 | 5.52 | 0.69 |
| Apr | 3.46 | 3.26 | 0.20 |
| May | 2.08 | 2.03 | 0.05 |
| Jun | 0.53 | 0.42 | 0.11 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.05 | 0.05 | 0.00 |
| Sep | 0.32 | 0.27 | 0.05 |
| Oct | 1.90 | 1.81 | 0.09 |
| Nov | 3.77 | 3.57 | 0.20 |
| Dec | 6.54 | 5.88 | 0.66 |
38.15 | 34.93 | 3.22 |