| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.72 | 6.63 | -0.91 |
| Feb | 4.20 | 4.73 | -0.53 |
| Mar | 4.09 | 4.66 | -0.57 |
| Apr | 2.96 | 3.20 | -0.24 |
| May | 1.89 | 2.05 | -0.16 |
| Jun | 0.88 | 0.98 | -0.10 |
| Jul | 0.24 | 0.27 | -0.03 |
| Aug | 0.25 | 0.33 | -0.08 |
| Sep | 0.82 | 0.90 | -0.08 |
| Oct | 2.55 | 2.69 | -0.14 |
| Nov | 5.40 | 6.16 | -0.76 |
| Dec | 7.20 | 7.89 | -0.69 |
36.20 | 40.49 | -4.29 |