| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.35 | 10.58 | -1.23 |
| Feb | 6.96 | 7.72 | -0.76 |
| Mar | 7.19 | 8.08 | -0.89 |
| Apr | 4.85 | 6.22 | -1.37 |
| May | 2.98 | 3.42 | -0.44 |
| Jun | 1.99 | 2.12 | -0.13 |
| Jul | 0.60 | 0.66 | -0.06 |
| Aug | 0.82 | 0.72 | 0.10 |
| Sep | 2.33 | 2.11 | 0.22 |
| Oct | 5.53 | 6.10 | -0.57 |
| Nov | 9.80 | 11.32 | -1.52 |
| Dec | 10.81 | 12.28 | -1.47 |
63.21 | 71.33 | -8.12 |