| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.54 | -0.12 |
| Feb | 2.68 | 2.78 | -0.10 |
| Mar | 4.07 | 4.20 | -0.13 |
| Apr | 3.63 | 3.67 | -0.04 |
| May | 3.97 | 4.04 | -0.07 |
| Jun | 4.29 | 4.47 | -0.18 |
| Jul | 5.05 | 4.90 | 0.15 |
| Aug | 4.29 | 4.41 | -0.12 |
| Sep | 4.11 | 4.16 | -0.05 |
| Oct | 4.14 | 4.12 | 0.02 |
| Nov | 3.25 | 3.32 | -0.07 |
| Dec | 4.18 | 4.37 | -0.19 |
47.08 | 47.98 | -0.90 |