| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 4.75 | -0.29 |
| Feb | 4.31 | 4.80 | -0.49 |
| Mar | 4.61 | 5.35 | -0.74 |
| Apr | 3.87 | 4.28 | -0.41 |
| May | 3.05 | 3.61 | -0.56 |
| Jun | 6.29 | 6.71 | -0.42 |
| Jul | 7.06 | 8.07 | -1.01 |
| Aug | 7.21 | 8.00 | -0.79 |
| Sep | 6.08 | 6.25 | -0.17 |
| Oct | 3.13 | 3.49 | -0.36 |
| Nov | 3.31 | 3.27 | 0.04 |
| Dec | 3.86 | 3.85 | 0.01 |
57.24 | 62.43 | -5.19 |