| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.83 | -0.06 |
| Feb | 1.13 | 1.19 | -0.06 |
| Mar | 2.21 | 2.23 | -0.02 |
| Apr | 2.55 | 2.59 | -0.04 |
| May | 4.80 | 4.77 | 0.03 |
| Jun | 4.30 | 4.37 | -0.07 |
| Jul | 3.68 | 3.68 | 0.00 |
| Aug | 3.67 | 3.57 | 0.10 |
| Sep | 2.38 | 2.25 | 0.13 |
| Oct | 2.51 | 2.46 | 0.05 |
| Nov | 1.39 | 1.33 | 0.06 |
| Dec | 1.12 | 1.15 | -0.03 |
30.51 | 30.42 | 0.09 |