| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.36 | -0.22 |
| Feb | 2.66 | 2.95 | -0.29 |
| Mar | 3.51 | 3.76 | -0.25 |
| Apr | 3.57 | 3.81 | -0.24 |
| May | 3.46 | 3.59 | -0.13 |
| Jun | 4.14 | 4.37 | -0.23 |
| Jul | 4.04 | 4.13 | -0.09 |
| Aug | 4.12 | 4.07 | 0.05 |
| Sep | 4.20 | 4.33 | -0.13 |
| Oct | 4.35 | 4.61 | -0.26 |
| Nov | 3.27 | 3.51 | -0.24 |
| Dec | 3.84 | 4.16 | -0.32 |
44.30 | 46.65 | -2.35 |