| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 |
| Feb | 0.66 | 0.70 | -0.04 |
| Mar | 1.23 | 1.33 | -0.10 |
| Apr | 2.12 | 2.30 | -0.18 |
| May | 3.44 | 3.49 | -0.05 |
| Jun | 4.31 | 4.37 | -0.06 |
| Jul | 4.40 | 4.50 | -0.10 |
| Aug | 3.40 | 3.29 | 0.11 |
| Sep | 2.91 | 2.90 | 0.01 |
| Oct | 2.74 | 2.75 | -0.01 |
| Nov | 1.29 | 1.31 | -0.02 |
| Dec | 0.91 | 0.95 | -0.04 |
28.06 | 28.59 | -0.53 |