| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.98 | -0.04 |
| Feb | 0.89 | 0.96 | -0.07 |
| Mar | 1.39 | 1.41 | -0.02 |
| Apr | 2.42 | 2.44 | -0.02 |
| May | 3.24 | 3.32 | -0.08 |
| Jun | 4.44 | 4.48 | -0.04 |
| Jul | 4.11 | 4.04 | 0.07 |
| Aug | 3.64 | 3.71 | -0.07 |
| Sep | 3.25 | 3.47 | -0.22 |
| Oct | 2.96 | 2.96 | 0.00 |
| Nov | 1.71 | 1.77 | -0.06 |
| Dec | 1.30 | 1.46 | -0.16 |
30.29 | 31.00 | -0.71 |