| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.86 | 5.46 | -0.60 |
| Feb | 4.26 | 4.51 | -0.25 |
| Mar | 5.03 | 5.09 | -0.06 |
| Apr | 5.04 | 5.55 | -0.51 |
| May | 4.16 | 4.55 | -0.39 |
| Jun | 6.09 | 6.69 | -0.60 |
| Jul | 7.59 | 8.08 | -0.49 |
| Aug | 6.56 | 7.12 | -0.56 |
| Sep | 6.29 | 6.47 | -0.18 |
| Oct | 4.22 | 4.16 | 0.06 |
| Nov | 4.16 | 4.20 | -0.04 |
| Dec | 4.93 | 5.03 | -0.10 |
63.19 | 66.91 | -3.72 |