| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.83 | -0.11 |
| Feb | 1.97 | 1.99 | -0.02 |
| Mar | 1.54 | 1.57 | -0.03 |
| Apr | 0.57 | 0.64 | -0.07 |
| May | 0.54 | 0.47 | 0.07 |
| Jun | 0.30 | 0.27 | 0.03 |
| Jul | 2.29 | 2.80 | -0.51 |
| Aug | 2.96 | 2.80 | 0.16 |
| Sep | 1.63 | 1.82 | -0.19 |
| Oct | 1.02 | 1.06 | -0.04 |
| Nov | 0.95 | 0.87 | 0.08 |
| Dec | 1.58 | 1.51 | 0.07 |
17.07 | 17.63 | -0.56 |