| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.40 | -0.01 |
| Feb | 0.36 | 0.36 | 0.00 |
| Mar | 0.96 | 0.94 | 0.02 |
| Apr | 1.32 | 1.48 | -0.16 |
| May | 1.93 | 2.02 | -0.09 |
| Jun | 2.38 | 2.44 | -0.06 |
| Jul | 2.85 | 3.26 | -0.41 |
| Aug | 2.96 | 3.13 | -0.17 |
| Sep | 1.32 | 1.40 | -0.08 |
| Oct | 1.30 | 1.51 | -0.21 |
| Nov | 0.53 | 0.52 | 0.01 |
| Dec | 0.59 | 0.60 | -0.01 |
16.89 | 18.06 | -1.17 |