| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.63 | -0.14 |
| Feb | 3.20 | 3.29 | -0.09 |
| Mar | 3.56 | 3.95 | -0.39 |
| Apr | 3.18 | 3.50 | -0.32 |
| May | 3.88 | 3.38 | 0.50 |
| Jun | 5.09 | 4.94 | 0.15 |
| Jul | 5.99 | 6.15 | -0.16 |
| Aug | 6.31 | 6.45 | -0.14 |
| Sep | 6.24 | 7.15 | -0.91 |
| Oct | 4.23 | 4.84 | -0.61 |
| Nov | 3.22 | 3.04 | 0.18 |
| Dec | 3.88 | 3.78 | 0.10 |
52.27 | 54.10 | -1.83 |