| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.62 | -0.20 |
| Feb | 3.31 | 3.47 | -0.16 |
| Mar | 3.62 | 3.79 | -0.17 |
| Apr | 3.16 | 3.47 | -0.31 |
| May | 3.88 | 3.97 | -0.09 |
| Jun | 4.70 | 5.03 | -0.33 |
| Jul | 6.13 | 6.06 | 0.07 |
| Aug | 6.61 | 7.08 | -0.47 |
| Sep | 6.53 | 7.54 | -1.01 |
| Oct | 4.33 | 4.67 | -0.34 |
| Nov | 3.39 | 3.42 | -0.03 |
| Dec | 3.56 | 3.78 | -0.22 |
52.64 | 55.90 | -3.26 |