| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.32 | 0.15 |
| Feb | 0.37 | 0.31 | 0.06 |
| Mar | 0.90 | 0.85 | 0.05 |
| Apr | 1.30 | 1.30 | 0.00 |
| May | 1.79 | 1.83 | -0.04 |
| Jun | 1.93 | 2.05 | -0.12 |
| Jul | 2.96 | 3.14 | -0.18 |
| Aug | 2.87 | 2.87 | 0.00 |
| Sep | 1.56 | 1.61 | -0.05 |
| Oct | 1.25 | 1.23 | 0.02 |
| Nov | 0.52 | 0.46 | 0.06 |
| Dec | 0.54 | 0.43 | 0.11 |
16.46 | 16.40 | 0.06 |