| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.51 | -0.04 |
| Feb | 0.65 | 0.69 | -0.04 |
| Mar | 1.36 | 1.29 | 0.07 |
| Apr | 2.97 | 3.09 | -0.12 |
| May | 3.98 | 4.03 | -0.05 |
| Jun | 3.90 | 3.83 | 0.07 |
| Jul | 3.31 | 3.27 | 0.04 |
| Aug | 2.98 | 3.06 | -0.08 |
| Sep | 2.13 | 2.14 | -0.01 |
| Oct | 2.06 | 2.13 | -0.07 |
| Nov | 0.91 | 0.89 | 0.02 |
| Dec | 0.62 | 0.69 | -0.07 |
25.34 | 25.62 | -0.28 |