| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.80 | -0.07 |
| Feb | 0.76 | 0.85 | -0.09 |
| Mar | 1.47 | 1.52 | -0.05 |
| Apr | 2.76 | 2.86 | -0.10 |
| May | 3.96 | 4.20 | -0.24 |
| Jun | 4.90 | 4.86 | 0.04 |
| Jul | 3.89 | 3.82 | 0.07 |
| Aug | 4.07 | 4.35 | -0.28 |
| Sep | 3.20 | 3.12 | 0.08 |
| Oct | 2.39 | 2.37 | 0.02 |
| Nov | 1.48 | 1.47 | 0.01 |
| Dec | 1.05 | 1.12 | -0.07 |
30.66 | 31.34 | -0.68 |