| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.80 | 5.87 | -0.07 |
| Feb | 4.27 | 4.35 | -0.08 |
| Mar | 4.24 | 4.26 | -0.02 |
| Apr | 3.09 | 3.20 | -0.11 |
| May | 2.22 | 2.27 | -0.05 |
| Jun | 1.47 | 1.55 | -0.08 |
| Jul | 0.39 | 0.42 | -0.03 |
| Aug | 0.54 | 0.48 | 0.06 |
| Sep | 1.45 | 1.41 | 0.04 |
| Oct | 3.52 | 3.53 | -0.01 |
| Nov | 6.00 | 6.12 | -0.12 |
| Dec | 6.81 | 7.10 | -0.29 |
39.80 | 40.56 | -0.76 |