| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.67 | 0.69 | -0.02 |
| Feb | 0.69 | 0.71 | -0.02 |
| Mar | 1.32 | 1.32 | 0.00 |
| Apr | 2.27 | 2.34 | -0.07 |
| May | 3.46 | 3.48 | -0.02 |
| Jun | 4.31 | 4.35 | -0.04 |
| Jul | 4.35 | 4.33 | 0.02 |
| Aug | 3.55 | 3.42 | 0.13 |
| Sep | 2.98 | 2.90 | 0.08 |
| Oct | 2.69 | 2.73 | -0.04 |
| Nov | 1.26 | 1.30 | -0.04 |
| Dec | 0.89 | 0.92 | -0.03 |
28.44 | 28.49 | -0.05 |