| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 5.07 | -0.14 |
| Feb | 5.10 | 5.11 | -0.01 |
| Mar | 5.15 | 5.18 | -0.03 |
| Apr | 4.71 | 4.78 | -0.07 |
| May | 3.37 | 3.41 | -0.04 |
| Jun | 5.27 | 5.11 | 0.16 |
| Jul | 6.04 | 6.11 | -0.07 |
| Aug | 5.19 | 5.19 | 0.00 |
| Sep | 4.55 | 4.40 | 0.15 |
| Oct | 3.41 | 3.12 | 0.29 |
| Nov | 3.96 | 4.04 | -0.08 |
| Dec | 5.39 | 5.23 | 0.16 |
57.07 | 56.75 | 0.32 |