| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.79 | 10.84 | -1.05 |
| Feb | 8.99 | 9.33 | -0.34 |
| Mar | 7.85 | 8.78 | -0.93 |
| Apr | 4.41 | 5.12 | -0.71 |
| May | 2.26 | 2.65 | -0.39 |
| Jun | 0.72 | 0.90 | -0.18 |
| Jul | 0.07 | 0.12 | -0.05 |
| Aug | 0.16 | 0.12 | 0.04 |
| Sep | 0.51 | 0.65 | -0.14 |
| Oct | 3.10 | 3.44 | -0.34 |
| Nov | 6.32 | 6.93 | -0.61 |
| Dec | 11.11 | 12.15 | -1.04 |
55.29 | 61.03 | -5.74 |