| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.35 | 0.04 |
| Feb | 0.65 | 0.55 | 0.10 |
| Mar | 1.02 | 0.91 | 0.11 |
| Apr | 1.98 | 1.92 | 0.06 |
| May | 2.93 | 2.98 | -0.05 |
| Jun | 2.28 | 2.25 | 0.03 |
| Jul | 1.80 | 1.86 | -0.06 |
| Aug | 1.22 | 1.20 | 0.02 |
| Sep | 1.25 | 1.29 | -0.04 |
| Oct | 1.34 | 1.42 | -0.08 |
| Nov | 0.63 | 0.59 | 0.04 |
| Dec | 0.61 | 0.52 | 0.09 |
16.10 | 15.84 | 0.26 |