| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.68 | -0.06 |
| Feb | 4.04 | 4.15 | -0.11 |
| Mar | 4.79 | 4.83 | -0.04 |
| Apr | 3.81 | 3.79 | 0.02 |
| May | 3.00 | 3.09 | -0.09 |
| Jun | 6.39 | 7.02 | -0.63 |
| Jul | 6.67 | 7.00 | -0.33 |
| Aug | 6.38 | 7.45 | -1.07 |
| Sep | 5.08 | 5.38 | -0.30 |
| Oct | 3.24 | 3.28 | -0.04 |
| Nov | 2.97 | 3.14 | -0.17 |
| Dec | 3.91 | 4.08 | -0.17 |
54.90 | 57.89 | -2.99 |