| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.50 | -0.04 |
| Feb | 3.14 | 3.10 | 0.04 |
| Mar | 3.54 | 3.64 | -0.10 |
| Apr | 3.57 | 3.36 | 0.21 |
| May | 3.94 | 4.02 | -0.08 |
| Jun | 4.80 | 4.82 | -0.02 |
| Jul | 5.59 | 5.52 | 0.07 |
| Aug | 5.49 | 5.69 | -0.20 |
| Sep | 6.31 | 6.32 | -0.01 |
| Oct | 3.37 | 3.39 | -0.02 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 3.47 | 3.44 | 0.03 |
50.03 | 50.15 | -0.12 |