| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.63 | -0.19 |
| Feb | 3.10 | 3.18 | -0.08 |
| Mar | 4.46 | 4.67 | -0.21 |
| Apr | 3.39 | 3.56 | -0.17 |
| May | 3.29 | 3.42 | -0.13 |
| Jun | 3.72 | 3.72 | 0.00 |
| Jul | 4.49 | 4.40 | 0.09 |
| Aug | 4.56 | 4.61 | -0.05 |
| Sep | 3.70 | 3.77 | -0.07 |
| Oct | 3.98 | 4.30 | -0.32 |
| Nov | 3.30 | 3.42 | -0.12 |
| Dec | 4.45 | 4.62 | -0.17 |
45.88 | 47.30 | -1.42 |