| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.18 | -0.06 |
| Feb | 3.00 | 2.92 | 0.08 |
| Mar | 3.91 | 3.72 | 0.19 |
| Apr | 3.88 | 3.95 | -0.07 |
| May | 4.22 | 4.32 | -0.10 |
| Jun | 4.31 | 4.34 | -0.03 |
| Jul | 4.39 | 4.46 | -0.07 |
| Aug | 3.28 | 3.32 | -0.04 |
| Sep | 3.35 | 3.24 | 0.11 |
| Oct | 3.02 | 3.01 | 0.01 |
| Nov | 2.89 | 2.86 | 0.03 |
| Dec | 3.24 | 3.33 | -0.09 |
42.61 | 42.65 | -0.04 |