| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.46 | -0.20 |
| Feb | 2.71 | 2.86 | -0.15 |
| Mar | 3.85 | 3.98 | -0.13 |
| Apr | 3.77 | 3.86 | -0.09 |
| May | 3.89 | 4.10 | -0.21 |
| Jun | 4.29 | 4.22 | 0.07 |
| Jul | 4.99 | 5.02 | -0.03 |
| Aug | 4.37 | 4.56 | -0.19 |
| Sep | 4.74 | 4.77 | -0.03 |
| Oct | 4.11 | 4.41 | -0.30 |
| Nov | 3.23 | 3.34 | -0.11 |
| Dec | 4.02 | 4.17 | -0.15 |
47.23 | 48.75 | -1.52 |