| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 5.29 | -0.68 |
| Feb | 4.07 | 4.52 | -0.45 |
| Mar | 3.08 | 3.36 | -0.28 |
| Apr | 1.65 | 1.88 | -0.23 |
| May | 1.20 | 1.44 | -0.24 |
| Jun | 0.51 | 0.58 | -0.07 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.06 | 0.08 | -0.02 |
| Sep | 0.23 | 0.25 | -0.02 |
| Oct | 1.11 | 1.11 | 0.00 |
| Nov | 2.56 | 2.68 | -0.12 |
| Dec | 4.28 | 5.15 | -0.87 |
23.41 | 26.41 | -3.00 |