| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.68 | -0.02 |
| Feb | 3.22 | 3.13 | 0.09 |
| Mar | 3.90 | 3.78 | 0.12 |
| Apr | 3.61 | 3.49 | 0.12 |
| May | 4.12 | 3.98 | 0.14 |
| Jun | 4.93 | 5.13 | -0.20 |
| Jul | 5.92 | 5.73 | 0.19 |
| Aug | 6.34 | 5.96 | 0.38 |
| Sep | 6.51 | 6.39 | 0.12 |
| Oct | 3.44 | 3.63 | -0.19 |
| Nov | 3.36 | 3.40 | -0.04 |
| Dec | 3.43 | 3.38 | 0.05 |
52.44 | 51.68 | 0.76 |