| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.12 | -0.09 |
| Feb | 3.12 | 3.16 | -0.04 |
| Mar | 3.59 | 3.65 | -0.06 |
| Apr | 3.82 | 3.60 | 0.22 |
| May | 5.04 | 4.97 | 0.07 |
| Jun | 5.01 | 4.73 | 0.28 |
| Jul | 3.73 | 3.49 | 0.24 |
| Aug | 4.40 | 4.37 | 0.03 |
| Sep | 4.18 | 4.32 | -0.14 |
| Oct | 5.18 | 5.12 | 0.06 |
| Nov | 4.34 | 4.53 | -0.19 |
| Dec | 4.07 | 4.13 | -0.06 |
50.51 | 50.19 | 0.32 |