| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.77 | -0.05 |
| Feb | 0.72 | 0.74 | -0.02 |
| Mar | 1.32 | 1.38 | -0.06 |
| Apr | 2.23 | 2.35 | -0.12 |
| May | 3.50 | 3.52 | -0.02 |
| Jun | 4.38 | 4.41 | -0.03 |
| Jul | 4.50 | 4.51 | -0.01 |
| Aug | 3.48 | 3.31 | 0.17 |
| Sep | 2.99 | 2.93 | 0.06 |
| Oct | 2.82 | 2.75 | 0.07 |
| Nov | 1.39 | 1.40 | -0.01 |
| Dec | 0.97 | 1.01 | -0.04 |
29.02 | 29.08 | -0.06 |