| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.58 | -0.22 |
| Feb | 3.03 | 3.07 | -0.04 |
| Mar | 3.67 | 3.78 | -0.11 |
| Apr | 3.43 | 3.42 | 0.01 |
| May | 3.41 | 3.39 | 0.02 |
| Jun | 4.41 | 4.57 | -0.16 |
| Jul | 4.68 | 5.40 | -0.72 |
| Aug | 4.29 | 4.76 | -0.47 |
| Sep | 5.05 | 5.32 | -0.27 |
| Oct | 3.34 | 3.41 | -0.07 |
| Nov | 3.37 | 3.38 | -0.01 |
| Dec | 3.47 | 3.56 | -0.09 |
45.51 | 47.64 | -2.13 |