| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.40 | -0.22 |
| Feb | 2.83 | 2.84 | -0.01 |
| Mar | 3.97 | 4.22 | -0.25 |
| Apr | 3.77 | 3.71 | 0.06 |
| May | 4.29 | 4.21 | 0.08 |
| Jun | 4.46 | 4.21 | 0.25 |
| Jul | 4.52 | 4.37 | 0.15 |
| Aug | 4.29 | 3.89 | 0.40 |
| Sep | 4.64 | 4.65 | -0.01 |
| Oct | 4.37 | 4.33 | 0.04 |
| Nov | 3.61 | 3.36 | 0.25 |
| Dec | 3.74 | 3.97 | -0.23 |
47.67 | 47.16 | 0.51 |