| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.57 | -0.29 |
| Feb | 3.07 | 3.33 | -0.26 |
| Mar | 3.37 | 3.47 | -0.10 |
| Apr | 3.23 | 3.42 | -0.19 |
| May | 3.72 | 3.64 | 0.08 |
| Jun | 4.94 | 4.94 | 0.00 |
| Jul | 5.16 | 4.98 | 0.18 |
| Aug | 5.68 | 5.50 | 0.18 |
| Sep | 5.45 | 5.32 | 0.13 |
| Oct | 3.08 | 3.23 | -0.15 |
| Nov | 3.11 | 3.22 | -0.11 |
| Dec | 3.33 | 3.48 | -0.15 |
47.42 | 48.10 | -0.68 |