| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.06 | 6.00 | 0.06 |
| Feb | 5.32 | 5.28 | 0.04 |
| Mar | 5.19 | 5.42 | -0.23 |
| Apr | 4.82 | 5.08 | -0.26 |
| May | 4.65 | 4.56 | 0.09 |
| Jun | 4.34 | 4.69 | -0.35 |
| Jul | 4.48 | 4.70 | -0.22 |
| Aug | 4.29 | 4.47 | -0.18 |
| Sep | 3.66 | 4.05 | -0.39 |
| Oct | 3.96 | 4.14 | -0.18 |
| Nov | 5.07 | 5.05 | 0.02 |
| Dec | 5.31 | 5.42 | -0.11 |
57.15 | 58.86 | -1.71 |