| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.84 | 2.06 | -0.22 |
| Feb | 1.32 | 1.59 | -0.27 |
| Mar | 1.61 | 1.88 | -0.27 |
| Apr | 1.71 | 1.94 | -0.23 |
| May | 2.08 | 2.32 | -0.24 |
| Jun | 1.56 | 1.67 | -0.11 |
| Jul | 0.66 | 0.63 | 0.03 |
| Aug | 0.56 | 0.58 | -0.02 |
| Sep | 0.64 | 0.66 | -0.02 |
| Oct | 1.33 | 1.44 | -0.11 |
| Nov | 1.93 | 2.22 | -0.29 |
| Dec | 2.08 | 2.32 | -0.24 |
17.32 | 19.31 | -1.99 |