| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.42 | -0.07 |
| Feb | 0.43 | 0.47 | -0.04 |
| Mar | 0.72 | 0.85 | -0.13 |
| Apr | 1.17 | 1.51 | -0.34 |
| May | 1.86 | 1.82 | 0.04 |
| Jun | 1.53 | 1.52 | 0.01 |
| Jul | 1.54 | 1.55 | -0.01 |
| Aug | 1.13 | 1.26 | -0.13 |
| Sep | 1.15 | 1.22 | -0.07 |
| Oct | 1.01 | 1.01 | 0.00 |
| Nov | 0.51 | 0.63 | -0.12 |
| Dec | 0.42 | 0.47 | -0.05 |
11.82 | 12.73 | -0.91 |