| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.16 | -0.08 |
| Feb | 1.46 | 1.54 | -0.08 |
| Mar | 2.40 | 2.45 | -0.05 |
| Apr | 3.86 | 4.03 | -0.17 |
| May | 5.16 | 5.27 | -0.11 |
| Jun | 5.20 | 5.38 | -0.18 |
| Jul | 4.44 | 4.46 | -0.02 |
| Aug | 4.34 | 4.44 | -0.10 |
| Sep | 3.83 | 4.18 | -0.35 |
| Oct | 3.27 | 3.37 | -0.10 |
| Nov | 2.03 | 2.13 | -0.10 |
| Dec | 1.56 | 1.63 | -0.07 |
38.63 | 40.04 | -1.41 |