| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.44 | 5.07 | -0.63 |
| Feb | 4.29 | 4.40 | -0.11 |
| Mar | 4.81 | 4.83 | -0.02 |
| Apr | 4.71 | 5.41 | -0.70 |
| May | 3.53 | 3.75 | -0.22 |
| Jun | 6.10 | 6.35 | -0.25 |
| Jul | 6.86 | 7.17 | -0.31 |
| Aug | 6.77 | 6.74 | 0.03 |
| Sep | 6.61 | 6.57 | 0.04 |
| Oct | 4.16 | 4.22 | -0.06 |
| Nov | 3.96 | 4.21 | -0.25 |
| Dec | 4.66 | 4.87 | -0.21 |
60.90 | 63.59 | -2.69 |