| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.59 | -0.08 |
| Feb | 0.61 | 0.70 | -0.09 |
| Mar | 1.29 | 1.58 | -0.29 |
| Apr | 2.23 | 2.44 | -0.21 |
| May | 3.04 | 3.12 | -0.08 |
| Jun | 1.94 | 2.08 | -0.14 |
| Jul | 1.91 | 2.31 | -0.40 |
| Aug | 1.72 | 1.60 | 0.12 |
| Sep | 1.52 | 1.59 | -0.07 |
| Oct | 1.25 | 1.34 | -0.09 |
| Nov | 0.82 | 0.89 | -0.07 |
| Dec | 0.50 | 0.64 | -0.14 |
17.34 | 18.88 | -1.54 |