| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.76 | -0.19 |
| Feb | 2.84 | 3.00 | -0.16 |
| Mar | 3.84 | 3.79 | 0.05 |
| Apr | 3.78 | 3.90 | -0.12 |
| May | 4.40 | 4.42 | -0.02 |
| Jun | 4.29 | 4.36 | -0.07 |
| Jul | 3.81 | 4.21 | -0.40 |
| Aug | 3.61 | 3.66 | -0.05 |
| Sep | 4.53 | 4.77 | -0.24 |
| Oct | 3.50 | 3.33 | 0.17 |
| Nov | 3.37 | 3.31 | 0.06 |
| Dec | 3.65 | 3.77 | -0.12 |
45.19 | 46.28 | -1.09 |