| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.57 | 0.68 | -0.11 |
| Feb | 0.52 | 0.54 | -0.02 |
| Mar | 1.17 | 1.26 | -0.09 |
| Apr | 1.73 | 1.91 | -0.18 |
| May | 2.36 | 2.62 | -0.26 |
| Jun | 2.82 | 2.67 | 0.15 |
| Jul | 2.55 | 2.47 | 0.08 |
| Aug | 2.79 | 3.21 | -0.42 |
| Sep | 1.68 | 1.70 | -0.02 |
| Oct | 1.77 | 1.65 | 0.12 |
| Nov | 0.73 | 0.80 | -0.07 |
| Dec | 0.71 | 0.80 | -0.09 |
19.40 | 20.31 | -0.91 |