| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.42 | -0.19 |
| Feb | 3.62 | 3.74 | -0.12 |
| Mar | 3.64 | 3.57 | 0.07 |
| Apr | 3.52 | 3.58 | -0.06 |
| May | 4.20 | 4.34 | -0.14 |
| Jun | 5.08 | 4.69 | 0.39 |
| Jul | 6.16 | 5.84 | 0.32 |
| Aug | 7.43 | 7.39 | 0.04 |
| Sep | 7.89 | 8.26 | -0.37 |
| Oct | 4.48 | 4.94 | -0.46 |
| Nov | 3.97 | 4.33 | -0.36 |
| Dec | 4.09 | 4.32 | -0.23 |
58.31 | 59.42 | -1.11 |