| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.72 | 6.58 | -0.86 |
| Feb | 4.20 | 4.77 | -0.57 |
| Mar | 4.09 | 4.68 | -0.59 |
| Apr | 2.96 | 3.23 | -0.27 |
| May | 1.89 | 2.06 | -0.17 |
| Jun | 0.88 | 0.99 | -0.11 |
| Jul | 0.24 | 0.27 | -0.03 |
| Aug | 0.25 | 0.33 | -0.08 |
| Sep | 0.82 | 0.91 | -0.09 |
| Oct | 2.55 | 2.73 | -0.18 |
| Nov | 5.40 | 6.10 | -0.70 |
| Dec | 7.20 | 7.91 | -0.71 |
36.20 | 40.56 | -4.36 |