| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.83 | 0.00 |
| Feb | 1.07 | 1.09 | -0.02 |
| Mar | 2.14 | 2.09 | 0.05 |
| Apr | 2.66 | 2.54 | 0.12 |
| May | 3.89 | 3.82 | 0.07 |
| Jun | 4.11 | 4.04 | 0.07 |
| Jul | 3.24 | 3.29 | -0.05 |
| Aug | 3.48 | 3.39 | 0.09 |
| Sep | 2.23 | 2.32 | -0.09 |
| Oct | 2.51 | 2.56 | -0.05 |
| Nov | 1.41 | 1.35 | 0.06 |
| Dec | 1.18 | 1.16 | 0.02 |
28.75 | 28.48 | 0.27 |