| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.23 | 0.11 |
| Feb | 1.04 | 0.93 | 0.11 |
| Mar | 0.89 | 0.78 | 0.11 |
| Apr | 1.06 | 0.91 | 0.15 |
| May | 1.25 | 1.10 | 0.15 |
| Jun | 0.85 | 0.79 | 0.06 |
| Jul | 0.34 | 0.33 | 0.01 |
| Aug | 0.35 | 0.34 | 0.01 |
| Sep | 0.44 | 0.33 | 0.11 |
| Oct | 0.95 | 0.75 | 0.20 |
| Nov | 1.28 | 1.14 | 0.14 |
| Dec | 1.52 | 1.37 | 0.15 |
11.31 | 10.00 | 1.31 |