| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.16 | -0.09 |
| Feb | 1.00 | 1.07 | -0.07 |
| Mar | 1.54 | 1.69 | -0.15 |
| Apr | 2.60 | 2.96 | -0.36 |
| May | 3.47 | 3.69 | -0.22 |
| Jun | 3.91 | 4.26 | -0.35 |
| Jul | 4.17 | 4.50 | -0.33 |
| Aug | 3.66 | 3.95 | -0.29 |
| Sep | 3.25 | 3.48 | -0.23 |
| Oct | 3.22 | 3.27 | -0.05 |
| Nov | 1.97 | 2.01 | -0.04 |
| Dec | 1.51 | 1.59 | -0.08 |
31.37 | 33.63 | -2.26 |