| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.75 | -0.20 |
| Feb | 3.37 | 3.44 | -0.07 |
| Mar | 4.37 | 4.61 | -0.24 |
| Apr | 4.08 | 4.27 | -0.19 |
| May | 3.61 | 3.57 | 0.04 |
| Jun | 4.06 | 4.02 | 0.04 |
| Jul | 3.50 | 3.65 | -0.15 |
| Aug | 3.57 | 3.62 | -0.05 |
| Sep | 3.78 | 3.73 | 0.05 |
| Oct | 4.56 | 4.75 | -0.19 |
| Nov | 3.84 | 3.91 | -0.07 |
| Dec | 4.59 | 4.81 | -0.22 |
46.88 | 48.13 | -1.25 |