| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.37 | 0.02 |
| Feb | 0.51 | 0.40 | 0.11 |
| Mar | 0.88 | 0.91 | -0.03 |
| Apr | 1.61 | 1.65 | -0.04 |
| May | 2.37 | 2.52 | -0.15 |
| Jun | 2.29 | 2.08 | 0.21 |
| Jul | 2.16 | 2.08 | 0.08 |
| Aug | 1.94 | 1.92 | 0.02 |
| Sep | 1.32 | 1.09 | 0.23 |
| Oct | 1.17 | 1.06 | 0.11 |
| Nov | 0.61 | 0.57 | 0.04 |
| Dec | 0.36 | 0.42 | -0.06 |
15.61 | 15.07 | 0.54 |