| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.40 | 5.63 | -0.23 |
| Feb | 4.97 | 5.07 | -0.10 |
| Mar | 5.29 | 5.37 | -0.08 |
| Apr | 5.71 | 5.58 | 0.13 |
| May | 4.52 | 4.50 | 0.02 |
| Jun | 4.53 | 4.51 | 0.02 |
| Jul | 3.90 | 3.84 | 0.06 |
| Aug | 3.55 | 3.77 | -0.22 |
| Sep | 3.84 | 3.81 | 0.03 |
| Oct | 4.54 | 4.27 | 0.27 |
| Nov | 4.68 | 4.69 | -0.01 |
| Dec | 5.54 | 5.53 | 0.01 |
56.47 | 56.57 | -0.10 |