| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.54 | 0.45 | 0.09 |
| Feb | 0.60 | 0.47 | 0.13 |
| Mar | 1.28 | 0.99 | 0.29 |
| Apr | 2.08 | 1.73 | 0.35 |
| May | 2.31 | 2.02 | 0.29 |
| Jun | 2.11 | 2.15 | -0.04 |
| Jul | 3.36 | 2.90 | 0.46 |
| Aug | 2.93 | 3.27 | -0.34 |
| Sep | 1.43 | 1.63 | -0.20 |
| Oct | 1.01 | 0.79 | 0.22 |
| Nov | 0.68 | 0.60 | 0.08 |
| Dec | 0.52 | 0.43 | 0.09 |
18.85 | 17.43 | 1.42 |