| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.62 | -0.22 |
| Feb | 3.29 | 3.46 | -0.17 |
| Mar | 3.60 | 3.80 | -0.20 |
| Apr | 3.14 | 3.47 | -0.33 |
| May | 3.84 | 3.92 | -0.08 |
| Jun | 4.73 | 4.91 | -0.18 |
| Jul | 6.04 | 6.02 | 0.02 |
| Aug | 6.65 | 6.97 | -0.32 |
| Sep | 6.54 | 7.57 | -1.03 |
| Oct | 4.31 | 4.61 | -0.30 |
| Nov | 3.35 | 3.40 | -0.05 |
| Dec | 3.57 | 3.79 | -0.22 |
52.46 | 55.54 | -3.08 |