| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.86 | -0.39 |
| Feb | 3.08 | 3.37 | -0.29 |
| Mar | 4.35 | 4.57 | -0.22 |
| Apr | 4.00 | 4.26 | -0.26 |
| May | 3.46 | 3.57 | -0.11 |
| Jun | 3.93 | 4.05 | -0.12 |
| Jul | 3.36 | 3.29 | 0.07 |
| Aug | 3.80 | 4.02 | -0.22 |
| Sep | 3.85 | 3.92 | -0.07 |
| Oct | 4.16 | 4.47 | -0.31 |
| Nov | 3.50 | 3.62 | -0.12 |
| Dec | 4.48 | 4.85 | -0.37 |
45.44 | 47.85 | -2.41 |