| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.95 | 6.35 | -0.40 |
| Feb | 4.37 | 4.52 | -0.15 |
| Mar | 4.44 | 4.61 | -0.17 |
| Apr | 3.21 | 3.30 | -0.09 |
| May | 2.30 | 2.36 | -0.06 |
| Jun | 1.44 | 1.50 | -0.06 |
| Jul | 0.38 | 0.37 | 0.01 |
| Aug | 0.50 | 0.47 | 0.03 |
| Sep | 1.48 | 1.47 | 0.01 |
| Oct | 3.67 | 3.81 | -0.14 |
| Nov | 6.11 | 6.39 | -0.28 |
| Dec | 6.97 | 7.01 | -0.04 |
40.82 | 42.16 | -1.34 |