| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.89 | -0.01 |
| Feb | 3.47 | 3.49 | -0.02 |
| Mar | 3.81 | 3.93 | -0.12 |
| Apr | 3.43 | 3.36 | 0.07 |
| May | 4.29 | 4.20 | 0.09 |
| Jun | 5.29 | 5.37 | -0.08 |
| Jul | 6.53 | 6.48 | 0.05 |
| Aug | 6.75 | 6.87 | -0.12 |
| Sep | 7.10 | 7.12 | -0.02 |
| Oct | 3.86 | 4.05 | -0.19 |
| Nov | 3.43 | 3.40 | 0.03 |
| Dec | 3.77 | 3.67 | 0.10 |
55.61 | 55.83 | -0.22 |