| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.37 | -0.05 |
| Feb | 3.02 | 3.05 | -0.03 |
| Mar | 4.34 | 4.42 | -0.08 |
| Apr | 3.42 | 3.51 | -0.09 |
| May | 3.28 | 3.43 | -0.15 |
| Jun | 3.69 | 3.65 | 0.04 |
| Jul | 4.32 | 4.28 | 0.04 |
| Aug | 4.69 | 4.51 | 0.18 |
| Sep | 3.88 | 3.94 | -0.06 |
| Oct | 4.12 | 4.24 | -0.12 |
| Nov | 3.34 | 3.33 | 0.01 |
| Dec | 4.18 | 4.22 | -0.04 |
45.60 | 45.95 | -0.35 |