| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.60 | 0.00 |
| Feb | 0.76 | 0.78 | -0.02 |
| Mar | 1.54 | 1.61 | -0.07 |
| Apr | 2.90 | 3.09 | -0.19 |
| May | 3.94 | 4.09 | -0.15 |
| Jun | 4.44 | 4.49 | -0.05 |
| Jul | 3.24 | 3.32 | -0.08 |
| Aug | 3.32 | 3.30 | 0.02 |
| Sep | 2.88 | 2.97 | -0.09 |
| Oct | 2.31 | 2.46 | -0.15 |
| Nov | 1.25 | 1.31 | -0.06 |
| Dec | 0.91 | 0.90 | 0.01 |
28.09 | 28.92 | -0.83 |