| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.60 | 5.56 | 0.04 |
| Feb | 4.43 | 4.48 | -0.05 |
| Mar | 5.25 | 5.06 | 0.19 |
| Apr | 5.38 | 5.39 | -0.01 |
| May | 5.10 | 5.52 | -0.42 |
| Jun | 6.52 | 6.56 | -0.04 |
| Jul | 7.45 | 7.80 | -0.35 |
| Aug | 6.54 | 7.03 | -0.49 |
| Sep | 5.36 | 5.49 | -0.13 |
| Oct | 3.98 | 4.05 | -0.07 |
| Nov | 4.32 | 4.46 | -0.14 |
| Dec | 5.28 | 5.38 | -0.10 |
65.21 | 66.78 | -1.57 |