| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.34 | 0.01 |
| Feb | 0.35 | 0.39 | -0.04 |
| Mar | 0.81 | 0.85 | -0.04 |
| Apr | 1.46 | 1.56 | -0.10 |
| May | 2.45 | 2.41 | 0.04 |
| Jun | 2.33 | 2.37 | -0.04 |
| Jul | 2.85 | 2.92 | -0.07 |
| Aug | 2.71 | 2.70 | 0.01 |
| Sep | 1.11 | 1.14 | -0.03 |
| Oct | 0.93 | 1.00 | -0.07 |
| Nov | 0.42 | 0.45 | -0.03 |
| Dec | 0.32 | 0.38 | -0.06 |
16.09 | 16.51 | -0.42 |