| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.62 | 6.03 | -0.41 |
| Feb | 4.16 | 4.37 | -0.21 |
| Mar | 4.24 | 4.39 | -0.15 |
| Apr | 3.14 | 3.29 | -0.15 |
| May | 2.31 | 2.34 | -0.03 |
| Jun | 1.46 | 1.59 | -0.13 |
| Jul | 0.40 | 0.37 | 0.03 |
| Aug | 0.52 | 0.46 | 0.06 |
| Sep | 1.46 | 1.47 | -0.01 |
| Oct | 3.61 | 3.69 | -0.08 |
| Nov | 5.90 | 6.28 | -0.38 |
| Dec | 6.68 | 7.13 | -0.45 |
39.50 | 41.41 | -1.91 |