| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.69 | 0.72 | -0.03 |
| Mar | 1.26 | 1.34 | -0.08 |
| Apr | 2.16 | 2.29 | -0.13 |
| May | 3.45 | 3.51 | -0.06 |
| Jun | 4.37 | 4.38 | -0.01 |
| Jul | 4.44 | 4.48 | -0.04 |
| Aug | 3.43 | 3.28 | 0.15 |
| Sep | 2.95 | 2.94 | 0.01 |
| Oct | 2.78 | 2.77 | 0.01 |
| Nov | 1.34 | 1.36 | -0.02 |
| Dec | 0.94 | 0.98 | -0.04 |
28.50 | 28.79 | -0.29 |