| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.85 | -0.11 |
| Feb | 4.86 | 4.93 | -0.07 |
| Mar | 5.12 | 5.08 | 0.04 |
| Apr | 4.25 | 4.29 | -0.04 |
| May | 3.84 | 3.72 | 0.12 |
| Jun | 4.27 | 4.18 | 0.09 |
| Jul | 4.88 | 4.92 | -0.04 |
| Aug | 4.12 | 4.37 | -0.25 |
| Sep | 3.72 | 3.78 | -0.06 |
| Oct | 3.18 | 3.22 | -0.04 |
| Nov | 4.16 | 4.15 | 0.01 |
| Dec | 4.88 | 4.92 | -0.04 |
52.02 | 52.41 | -0.39 |