| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.65 | 0.05 |
| Feb | 0.73 | 0.72 | 0.01 |
| Mar | 1.35 | 1.35 | 0.00 |
| Apr | 2.37 | 2.39 | -0.02 |
| May | 3.34 | 3.37 | -0.03 |
| Jun | 4.36 | 4.47 | -0.11 |
| Jul | 4.23 | 4.14 | 0.09 |
| Aug | 3.55 | 3.56 | -0.01 |
| Sep | 2.97 | 3.02 | -0.05 |
| Oct | 2.63 | 2.66 | -0.03 |
| Nov | 1.26 | 1.23 | 0.03 |
| Dec | 0.87 | 0.89 | -0.02 |
28.36 | 28.45 | -0.09 |