| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.08 | 6.18 | -0.10 |
| Feb | 5.39 | 5.42 | -0.03 |
| Mar | 5.51 | 5.92 | -0.41 |
| Apr | 4.93 | 5.22 | -0.29 |
| May | 4.35 | 4.62 | -0.27 |
| Jun | 5.36 | 5.51 | -0.15 |
| Jul | 4.90 | 5.30 | -0.40 |
| Aug | 4.82 | 4.40 | 0.42 |
| Sep | 4.03 | 4.44 | -0.41 |
| Oct | 3.69 | 3.57 | 0.12 |
| Nov | 4.88 | 4.84 | 0.04 |
| Dec | 6.10 | 6.21 | -0.11 |
60.04 | 61.63 | -1.59 |