| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.25 | -0.10 |
| Feb | 1.49 | 1.63 | -0.14 |
| Mar | 2.37 | 2.51 | -0.14 |
| Apr | 3.92 | 4.08 | -0.16 |
| May | 5.37 | 5.49 | -0.12 |
| Jun | 5.04 | 5.46 | -0.42 |
| Jul | 4.48 | 4.51 | -0.03 |
| Aug | 4.38 | 4.43 | -0.05 |
| Sep | 3.88 | 4.24 | -0.36 |
| Oct | 3.19 | 3.29 | -0.10 |
| Nov | 2.13 | 2.23 | -0.10 |
| Dec | 1.57 | 1.71 | -0.14 |
38.97 | 40.83 | -1.86 |