| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.24 | 1.34 | -0.10 |
| Feb | 1.56 | 1.73 | -0.17 |
| Mar | 2.46 | 2.54 | -0.08 |
| Apr | 4.15 | 4.13 | 0.02 |
| May | 5.62 | 5.73 | -0.11 |
| Jun | 5.17 | 5.50 | -0.33 |
| Jul | 4.43 | 4.41 | 0.02 |
| Aug | 4.48 | 4.27 | 0.21 |
| Sep | 3.96 | 4.20 | -0.24 |
| Oct | 3.30 | 3.39 | -0.09 |
| Nov | 2.31 | 2.35 | -0.04 |
| Dec | 1.68 | 1.78 | -0.10 |
40.36 | 41.37 | -1.01 |