| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.81 | -0.04 |
| Feb | 1.32 | 1.30 | 0.02 |
| Mar | 2.37 | 2.34 | 0.03 |
| Apr | 3.34 | 3.22 | 0.12 |
| May | 5.24 | 5.13 | 0.11 |
| Jun | 4.73 | 4.66 | 0.07 |
| Jul | 4.39 | 4.32 | 0.07 |
| Aug | 3.92 | 3.92 | 0.00 |
| Sep | 3.23 | 3.34 | -0.11 |
| Oct | 2.77 | 2.66 | 0.11 |
| Nov | 1.76 | 1.72 | 0.04 |
| Dec | 1.25 | 1.26 | -0.01 |
35.09 | 34.68 | 0.41 |