| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.94 | 11.09 | -1.15 |
| Feb | 8.77 | 9.22 | -0.45 |
| Mar | 7.26 | 8.39 | -1.13 |
| Apr | 4.21 | 4.35 | -0.14 |
| May | 1.62 | 1.95 | -0.33 |
| Jun | 0.57 | 0.75 | -0.18 |
| Jul | 0.03 | 0.06 | -0.03 |
| Aug | 0.12 | 0.06 | 0.06 |
| Sep | 0.39 | 0.54 | -0.15 |
| Oct | 2.58 | 2.71 | -0.13 |
| Nov | 5.91 | 6.35 | -0.44 |
| Dec | 10.63 | 11.78 | -1.15 |
52.03 | 57.25 | -5.22 |