| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.36 | 9.90 | 0.46 |
| Feb | 8.21 | 7.56 | 0.65 |
| Mar | 8.40 | 7.21 | 1.19 |
| Apr | 5.73 | 5.62 | 0.11 |
| May | 3.31 | 3.20 | 0.11 |
| Jun | 2.00 | 2.05 | -0.05 |
| Jul | 0.48 | 0.43 | 0.05 |
| Aug | 0.60 | 0.58 | 0.02 |
| Sep | 2.07 | 2.02 | 0.05 |
| Oct | 5.79 | 5.42 | 0.37 |
| Nov | 10.16 | 9.90 | 0.26 |
| Dec | 12.46 | 11.94 | 0.52 |
69.57 | 65.83 | 3.74 |