| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.33 | 0.09 |
| Feb | 0.54 | 0.50 | 0.04 |
| Mar | 1.01 | 0.90 | 0.11 |
| Apr | 2.11 | 1.96 | 0.15 |
| May | 3.07 | 3.03 | 0.04 |
| Jun | 2.90 | 2.93 | -0.03 |
| Jul | 2.45 | 2.28 | 0.17 |
| Aug | 1.75 | 1.51 | 0.24 |
| Sep | 1.54 | 1.43 | 0.11 |
| Oct | 1.36 | 1.28 | 0.08 |
| Nov | 0.53 | 0.49 | 0.04 |
| Dec | 0.51 | 0.43 | 0.08 |
18.19 | 17.07 | 1.12 |