| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.46 | 5.93 | 0.53 |
| Feb | 4.96 | 4.40 | 0.56 |
| Mar | 5.25 | 4.84 | 0.41 |
| Apr | 4.43 | 3.97 | 0.46 |
| May | 3.04 | 2.80 | 0.24 |
| Jun | 1.77 | 1.63 | 0.14 |
| Jul | 0.37 | 0.35 | 0.02 |
| Aug | 0.49 | 0.40 | 0.09 |
| Sep | 1.54 | 1.53 | 0.01 |
| Oct | 3.84 | 3.54 | 0.30 |
| Nov | 6.66 | 6.19 | 0.47 |
| Dec | 7.65 | 7.23 | 0.42 |
46.46 | 42.81 | 3.65 |