| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.75 | -0.05 |
| Feb | 3.02 | 3.04 | -0.02 |
| Mar | 3.90 | 4.07 | -0.17 |
| Apr | 4.09 | 4.24 | -0.15 |
| May | 4.25 | 4.37 | -0.12 |
| Jun | 4.60 | 4.34 | 0.26 |
| Jul | 4.50 | 4.91 | -0.41 |
| Aug | 4.51 | 4.66 | -0.15 |
| Sep | 4.13 | 4.24 | -0.11 |
| Oct | 3.37 | 3.38 | -0.01 |
| Nov | 3.22 | 3.32 | -0.10 |
| Dec | 3.81 | 3.97 | -0.16 |
47.10 | 48.29 | -1.19 |