| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.82 | -0.07 |
| Feb | 0.74 | 0.76 | -0.02 |
| Mar | 1.35 | 1.42 | -0.07 |
| Apr | 2.26 | 2.43 | -0.17 |
| May | 3.51 | 3.52 | -0.01 |
| Jun | 4.39 | 4.44 | -0.05 |
| Jul | 4.52 | 4.48 | 0.04 |
| Aug | 3.49 | 3.36 | 0.13 |
| Sep | 3.04 | 2.94 | 0.10 |
| Oct | 2.86 | 2.76 | 0.10 |
| Nov | 1.44 | 1.49 | -0.05 |
| Dec | 1.00 | 1.05 | -0.05 |
29.35 | 29.47 | -0.12 |