| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.30 | 0.05 |
| Feb | 0.53 | 0.49 | 0.04 |
| Mar | 0.98 | 0.89 | 0.09 |
| Apr | 2.09 | 1.93 | 0.16 |
| May | 3.34 | 3.36 | -0.02 |
| Jun | 3.08 | 2.90 | 0.18 |
| Jul | 2.53 | 2.08 | 0.45 |
| Aug | 1.56 | 1.63 | -0.07 |
| Sep | 1.27 | 1.22 | 0.05 |
| Oct | 1.34 | 1.51 | -0.17 |
| Nov | 0.45 | 0.49 | -0.04 |
| Dec | 0.38 | 0.38 | 0.00 |
17.90 | 17.18 | 0.72 |