| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.52 | 0.04 |
| Feb | 3.11 | 3.09 | 0.02 |
| Mar | 3.87 | 3.78 | 0.09 |
| Apr | 3.65 | 3.61 | 0.04 |
| May | 4.00 | 3.89 | 0.11 |
| Jun | 4.56 | 4.45 | 0.11 |
| Jul | 5.63 | 5.26 | 0.37 |
| Aug | 5.81 | 5.61 | 0.20 |
| Sep | 6.07 | 6.51 | -0.44 |
| Oct | 3.25 | 3.41 | -0.16 |
| Nov | 3.25 | 3.32 | -0.07 |
| Dec | 3.41 | 3.43 | -0.02 |
50.17 | 49.88 | 0.29 |