| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.82 | 0.07 |
| Feb | 3.48 | 3.53 | -0.05 |
| Mar | 3.92 | 3.93 | -0.01 |
| Apr | 3.39 | 3.42 | -0.03 |
| May | 4.22 | 4.30 | -0.08 |
| Jun | 5.37 | 5.28 | 0.09 |
| Jul | 6.32 | 6.89 | -0.57 |
| Aug | 7.17 | 7.58 | -0.41 |
| Sep | 8.05 | 9.07 | -1.02 |
| Oct | 4.62 | 4.81 | -0.19 |
| Nov | 3.67 | 3.66 | 0.01 |
| Dec | 3.66 | 3.83 | -0.17 |
57.76 | 60.12 | -2.36 |