| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.51 | 0.10 |
| Feb | 0.58 | 0.50 | 0.08 |
| Mar | 0.90 | 0.84 | 0.06 |
| Apr | 1.26 | 1.29 | -0.03 |
| May | 1.73 | 2.02 | -0.29 |
| Jun | 1.75 | 1.68 | 0.07 |
| Jul | 3.94 | 3.91 | 0.03 |
| Aug | 3.58 | 3.88 | -0.30 |
| Sep | 2.21 | 2.36 | -0.15 |
| Oct | 1.35 | 1.49 | -0.14 |
| Nov | 0.72 | 0.70 | 0.02 |
| Dec | 0.70 | 0.61 | 0.09 |
19.33 | 19.79 | -0.46 |