| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.72 | 6.63 | -0.91 |
| Feb | 4.18 | 4.40 | -0.22 |
| Mar | 4.24 | 4.33 | -0.09 |
| Apr | 3.09 | 3.17 | -0.08 |
| May | 2.23 | 2.38 | -0.15 |
| Jun | 1.44 | 1.52 | -0.08 |
| Jul | 0.39 | 0.37 | 0.02 |
| Aug | 0.52 | 0.47 | 0.05 |
| Sep | 1.44 | 1.45 | -0.01 |
| Oct | 3.59 | 3.86 | -0.27 |
| Nov | 5.95 | 6.79 | -0.84 |
| Dec | 6.75 | 7.78 | -1.03 |
39.54 | 43.15 | -3.61 |