| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 0.99 | 0.02 |
| Feb | 0.94 | 0.82 | 0.12 |
| Mar | 1.08 | 1.06 | 0.02 |
| Apr | 1.97 | 2.01 | -0.04 |
| May | 2.97 | 2.97 | 0.00 |
| Jun | 3.99 | 3.93 | 0.06 |
| Jul | 3.94 | 4.06 | -0.12 |
| Aug | 3.06 | 3.13 | -0.07 |
| Sep | 3.52 | 3.57 | -0.05 |
| Oct | 2.75 | 2.72 | 0.03 |
| Nov | 1.75 | 1.53 | 0.22 |
| Dec | 1.36 | 1.26 | 0.10 |
28.34 | 28.05 | 0.29 |