| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.65 | 0.06 |
| Feb | 0.70 | 0.70 | 0.00 |
| Mar | 1.35 | 1.30 | 0.05 |
| Apr | 2.35 | 2.34 | 0.01 |
| May | 3.37 | 3.41 | -0.04 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.32 | 4.19 | 0.13 |
| Aug | 3.55 | 3.42 | 0.13 |
| Sep | 2.94 | 2.91 | 0.03 |
| Oct | 2.66 | 2.68 | -0.02 |
| Nov | 1.23 | 1.10 | 0.13 |
| Dec | 0.87 | 0.87 | 0.00 |
28.41 | 27.98 | 0.43 |