| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 2.82 | 2.86 | -0.04 |
| Mar | 4.22 | 4.37 | -0.15 |
| Apr | 3.71 | 3.67 | 0.04 |
| May | 3.63 | 3.81 | -0.18 |
| Jun | 4.32 | 4.41 | -0.09 |
| Jul | 4.53 | 4.69 | -0.16 |
| Aug | 4.34 | 4.55 | -0.21 |
| Sep | 4.70 | 4.86 | -0.16 |
| Oct | 4.02 | 4.15 | -0.13 |
| Nov | 3.33 | 3.25 | 0.08 |
| Dec | 4.05 | 4.29 | -0.24 |
47.06 | 48.41 | -1.35 |