| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.22 | 0.04 |
| Feb | 3.20 | 3.27 | -0.07 |
| Mar | 4.13 | 4.09 | 0.04 |
| Apr | 3.72 | 4.01 | -0.29 |
| May | 4.81 | 5.16 | -0.35 |
| Jun | 4.42 | 4.53 | -0.11 |
| Jul | 5.10 | 5.75 | -0.65 |
| Aug | 3.81 | 3.56 | 0.25 |
| Sep | 3.35 | 3.31 | 0.04 |
| Oct | 3.04 | 3.12 | -0.08 |
| Nov | 3.03 | 3.06 | -0.03 |
| Dec | 3.72 | 3.96 | -0.24 |
45.59 | 47.04 | -1.45 |