| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.43 | 7.21 | 3.22 |
| Feb | 8.79 | 6.28 | 2.51 |
| Mar | 8.18 | 6.30 | 1.88 |
| Apr | 4.66 | 4.21 | 0.45 |
| May | 2.07 | 2.03 | 0.04 |
| Jun | 0.71 | 0.93 | -0.22 |
| Jul | 0.13 | 0.23 | -0.10 |
| Aug | 0.16 | 0.18 | -0.02 |
| Sep | 0.69 | 0.68 | 0.01 |
| Oct | 3.12 | 2.52 | 0.60 |
| Nov | 7.01 | 5.27 | 1.74 |
| Dec | 11.83 | 8.74 | 3.09 |
57.78 | 44.58 | 13.20 |