| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.47 | -0.12 |
| Feb | 3.17 | 3.34 | -0.17 |
| Mar | 3.44 | 3.52 | -0.08 |
| Apr | 3.27 | 3.21 | 0.06 |
| May | 3.32 | 3.57 | -0.25 |
| Jun | 5.64 | 5.72 | -0.08 |
| Jul | 5.75 | 6.30 | -0.55 |
| Aug | 6.25 | 6.46 | -0.21 |
| Sep | 5.07 | 5.45 | -0.38 |
| Oct | 4.22 | 4.20 | 0.02 |
| Nov | 2.86 | 2.79 | 0.07 |
| Dec | 3.36 | 3.63 | -0.27 |
49.70 | 51.66 | -1.96 |