| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.89 | 6.09 | -0.20 |
| Feb | 4.38 | 4.46 | -0.08 |
| Mar | 4.35 | 4.44 | -0.09 |
| Apr | 3.19 | 3.37 | -0.18 |
| May | 2.29 | 2.31 | -0.02 |
| Jun | 1.48 | 1.56 | -0.08 |
| Jul | 0.40 | 0.39 | 0.01 |
| Aug | 0.53 | 0.48 | 0.05 |
| Sep | 1.46 | 1.49 | -0.03 |
| Oct | 3.65 | 3.73 | -0.08 |
| Nov | 6.13 | 6.41 | -0.28 |
| Dec | 6.97 | 7.27 | -0.30 |
40.72 | 42.00 | -1.28 |