| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.74 | 0.15 |
| Feb | 0.97 | 0.88 | 0.09 |
| Mar | 1.37 | 1.11 | 0.26 |
| Apr | 1.84 | 1.53 | 0.31 |
| May | 1.93 | 1.53 | 0.40 |
| Jun | 1.24 | 1.15 | 0.09 |
| Jul | 2.34 | 2.52 | -0.18 |
| Aug | 2.27 | 2.41 | -0.14 |
| Sep | 1.37 | 1.32 | 0.05 |
| Oct | 1.20 | 1.03 | 0.17 |
| Nov | 0.90 | 0.69 | 0.21 |
| Dec | 0.86 | 0.72 | 0.14 |
17.18 | 15.63 | 1.55 |