| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.84 | 3.91 | -0.07 |
| Feb | 3.43 | 3.60 | -0.17 |
| Mar | 3.87 | 4.02 | -0.15 |
| Apr | 3.31 | 3.56 | -0.25 |
| May | 4.13 | 4.21 | -0.08 |
| Jun | 5.18 | 5.02 | 0.16 |
| Jul | 6.28 | 7.11 | -0.83 |
| Aug | 7.04 | 7.71 | -0.67 |
| Sep | 8.08 | 9.43 | -1.35 |
| Oct | 4.69 | 5.06 | -0.37 |
| Nov | 3.60 | 3.83 | -0.23 |
| Dec | 3.65 | 4.01 | -0.36 |
57.10 | 61.47 | -4.37 |