| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.56 | 4.66 | -0.10 |
| Feb | 4.56 | 4.65 | -0.09 |
| Mar | 4.80 | 5.18 | -0.38 |
| Apr | 4.26 | 4.39 | -0.13 |
| May | 3.19 | 3.51 | -0.32 |
| Jun | 4.36 | 4.29 | 0.07 |
| Jul | 4.76 | 5.00 | -0.24 |
| Aug | 4.47 | 4.34 | 0.13 |
| Sep | 3.57 | 3.57 | 0.00 |
| Oct | 2.89 | 3.20 | -0.31 |
| Nov | 3.97 | 4.01 | -0.04 |
| Dec | 5.12 | 5.08 | 0.04 |
50.51 | 51.88 | -1.37 |