| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.44 | 0.02 |
| Feb | 3.16 | 3.13 | 0.03 |
| Mar | 3.43 | 3.50 | -0.07 |
| Apr | 3.16 | 3.24 | -0.08 |
| May | 3.40 | 3.22 | 0.18 |
| Jun | 5.61 | 5.81 | -0.20 |
| Jul | 5.73 | 5.60 | 0.13 |
| Aug | 6.10 | 6.71 | -0.61 |
| Sep | 4.56 | 4.81 | -0.25 |
| Oct | 3.73 | 4.07 | -0.34 |
| Nov | 2.38 | 2.60 | -0.22 |
| Dec | 3.08 | 3.35 | -0.27 |
47.80 | 49.48 | -1.68 |