| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.04 | 1.01 | 0.03 |
| Feb | 1.08 | 1.06 | 0.02 |
| Mar | 1.96 | 1.87 | 0.09 |
| Apr | 3.42 | 3.40 | 0.02 |
| May | 4.42 | 4.54 | -0.12 |
| Jun | 5.30 | 5.23 | 0.07 |
| Jul | 4.12 | 4.30 | -0.18 |
| Aug | 4.60 | 4.62 | -0.02 |
| Sep | 3.71 | 3.76 | -0.05 |
| Oct | 2.52 | 2.49 | 0.03 |
| Nov | 1.82 | 1.77 | 0.05 |
| Dec | 1.29 | 1.24 | 0.05 |
35.28 | 35.29 | -0.01 |