| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 3.82 | 0.08 |
| Feb | 3.49 | 3.52 | -0.03 |
| Mar | 3.93 | 3.93 | 0.00 |
| Apr | 3.45 | 3.42 | 0.03 |
| May | 4.25 | 4.28 | -0.03 |
| Jun | 5.46 | 5.25 | 0.21 |
| Jul | 6.32 | 6.81 | -0.49 |
| Aug | 7.23 | 7.55 | -0.32 |
| Sep | 7.98 | 8.98 | -1.00 |
| Oct | 4.56 | 4.78 | -0.22 |
| Nov | 3.71 | 3.67 | 0.04 |
| Dec | 3.66 | 3.82 | -0.16 |
57.94 | 59.83 | -1.89 |