| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.86 | 3.81 | 0.05 |
| Feb | 3.44 | 3.54 | -0.10 |
| Mar | 3.88 | 3.96 | -0.08 |
| Apr | 3.33 | 3.40 | -0.07 |
| May | 4.17 | 4.34 | -0.17 |
| Jun | 5.24 | 5.31 | -0.07 |
| Jul | 6.27 | 6.91 | -0.64 |
| Aug | 7.04 | 7.60 | -0.56 |
| Sep | 8.06 | 9.09 | -1.03 |
| Oct | 4.65 | 4.82 | -0.17 |
| Nov | 3.60 | 3.63 | -0.03 |
| Dec | 3.64 | 3.85 | -0.21 |
57.18 | 60.26 | -3.08 |