| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.67 | 1.05 | 0.62 |
| Feb | 1.34 | 1.11 | 0.23 |
| Mar | 1.60 | 1.38 | 0.22 |
| Apr | 1.85 | 1.59 | 0.26 |
| May | 2.30 | 2.32 | -0.02 |
| Jun | 1.91 | 1.85 | 0.06 |
| Jul | 0.64 | 0.69 | -0.05 |
| Aug | 0.60 | 0.72 | -0.12 |
| Sep | 0.81 | 0.75 | 0.06 |
| Oct | 1.52 | 1.23 | 0.29 |
| Nov | 1.77 | 1.23 | 0.54 |
| Dec | 1.87 | 1.27 | 0.60 |
17.88 | 15.19 | 2.69 |