| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.70 | 0.72 | -0.02 |
| Mar | 1.28 | 1.35 | -0.07 |
| Apr | 2.18 | 2.31 | -0.13 |
| May | 3.48 | 3.51 | -0.03 |
| Jun | 4.37 | 4.39 | -0.02 |
| Jul | 4.47 | 4.52 | -0.05 |
| Aug | 3.44 | 3.29 | 0.15 |
| Sep | 2.97 | 2.93 | 0.04 |
| Oct | 2.80 | 2.77 | 0.03 |
| Nov | 1.35 | 1.36 | -0.01 |
| Dec | 0.95 | 0.98 | -0.03 |
28.68 | 28.87 | -0.19 |