| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.65 | 0.06 |
| Feb | 3.27 | 3.18 | 0.09 |
| Mar | 3.90 | 3.83 | 0.07 |
| Apr | 3.57 | 3.45 | 0.12 |
| May | 4.24 | 4.11 | 0.13 |
| Jun | 5.15 | 5.01 | 0.14 |
| Jul | 6.23 | 5.89 | 0.34 |
| Aug | 6.14 | 6.18 | -0.04 |
| Sep | 6.77 | 6.54 | 0.23 |
| Oct | 3.40 | 3.64 | -0.24 |
| Nov | 3.41 | 3.37 | 0.04 |
| Dec | 3.48 | 3.46 | 0.02 |
53.27 | 52.31 | 0.96 |