| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.22 | -0.18 |
| Feb | 0.98 | 1.09 | -0.11 |
| Mar | 0.65 | 0.76 | -0.11 |
| Apr | 0.30 | 0.38 | -0.08 |
| May | 0.36 | 0.47 | -0.11 |
| Jun | 0.55 | 0.64 | -0.09 |
| Jul | 2.41 | 2.45 | -0.04 |
| Aug | 2.30 | 2.61 | -0.31 |
| Sep | 1.59 | 1.88 | -0.29 |
| Oct | 0.89 | 0.95 | -0.06 |
| Nov | 0.81 | 0.89 | -0.08 |
| Dec | 1.22 | 1.39 | -0.17 |
13.10 | 14.73 | -1.63 |