| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.23 | -0.21 |
| Feb | 2.96 | 3.18 | -0.22 |
| Mar | 3.55 | 3.71 | -0.16 |
| Apr | 4.01 | 4.12 | -0.11 |
| May | 5.16 | 5.31 | -0.15 |
| Jun | 5.66 | 5.74 | -0.08 |
| Jul | 4.19 | 4.54 | -0.35 |
| Aug | 4.96 | 5.36 | -0.40 |
| Sep | 5.15 | 5.54 | -0.39 |
| Oct | 5.00 | 4.94 | 0.06 |
| Nov | 4.24 | 4.63 | -0.39 |
| Dec | 4.01 | 4.18 | -0.17 |
52.91 | 55.48 | -2.57 |