| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.08 | 4.19 | -0.11 |
| Feb | 3.54 | 3.63 | -0.09 |
| Mar | 5.05 | 5.25 | -0.20 |
| Apr | 4.51 | 4.62 | -0.11 |
| May | 3.55 | 3.56 | -0.01 |
| Jun | 3.96 | 4.05 | -0.09 |
| Jul | 3.27 | 3.36 | -0.09 |
| Aug | 3.65 | 3.70 | -0.05 |
| Sep | 4.03 | 3.98 | 0.05 |
| Oct | 4.66 | 4.88 | -0.22 |
| Nov | 4.31 | 4.36 | -0.05 |
| Dec | 4.82 | 5.04 | -0.22 |
49.43 | 50.62 | -1.19 |