| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.90 | -0.02 |
| Feb | 3.47 | 3.51 | -0.04 |
| Mar | 3.81 | 3.93 | -0.12 |
| Apr | 3.43 | 3.37 | 0.06 |
| May | 4.29 | 4.22 | 0.07 |
| Jun | 5.29 | 5.39 | -0.10 |
| Jul | 6.53 | 6.48 | 0.05 |
| Aug | 6.75 | 6.91 | -0.16 |
| Sep | 7.10 | 7.17 | -0.07 |
| Oct | 3.86 | 4.07 | -0.21 |
| Nov | 3.43 | 3.42 | 0.01 |
| Dec | 3.77 | 3.70 | 0.07 |
55.61 | 56.07 | -0.46 |