| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.17 | 4.39 | -0.22 |
| Feb | 3.32 | 3.78 | -0.46 |
| Mar | 4.26 | 4.56 | -0.30 |
| Apr | 4.28 | 4.58 | -0.30 |
| May | 4.28 | 4.39 | -0.11 |
| Jun | 4.36 | 4.73 | -0.37 |
| Jul | 4.51 | 4.76 | -0.25 |
| Aug | 4.82 | 4.80 | 0.02 |
| Sep | 4.22 | 4.58 | -0.36 |
| Oct | 3.73 | 3.93 | -0.20 |
| Nov | 3.62 | 3.96 | -0.34 |
| Dec | 4.37 | 4.74 | -0.37 |
49.94 | 53.20 | -3.26 |