| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.03 | -0.01 |
| Feb | 5.45 | 5.27 | 0.18 |
| Mar | 5.18 | 5.11 | 0.07 |
| Apr | 5.17 | 5.32 | -0.15 |
| May | 3.96 | 4.27 | -0.31 |
| Jun | 4.54 | 4.66 | -0.12 |
| Jul | 4.84 | 5.22 | -0.38 |
| Aug | 3.89 | 3.64 | 0.25 |
| Sep | 3.97 | 4.04 | -0.07 |
| Oct | 3.37 | 3.09 | 0.28 |
| Nov | 4.62 | 4.16 | 0.46 |
| Dec | 5.85 | 5.74 | 0.11 |
55.86 | 55.55 | 0.31 |