| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.82 | -0.09 |
| Feb | 2.19 | 2.36 | -0.17 |
| Mar | 3.27 | 3.45 | -0.18 |
| Apr | 3.40 | 3.44 | -0.04 |
| May | 4.02 | 4.00 | 0.02 |
| Jun | 3.61 | 3.70 | -0.09 |
| Jul | 3.74 | 3.51 | 0.23 |
| Aug | 3.35 | 3.24 | 0.11 |
| Sep | 4.23 | 4.18 | 0.05 |
| Oct | 3.02 | 3.31 | -0.29 |
| Nov | 2.80 | 2.89 | -0.09 |
| Dec | 3.27 | 3.34 | -0.07 |
39.63 | 40.24 | -0.61 |