| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.11 | -0.08 |
| Feb | 4.34 | 4.51 | -0.17 |
| Mar | 5.33 | 5.34 | -0.01 |
| Apr | 5.66 | 5.85 | -0.19 |
| May | 4.78 | 5.15 | -0.37 |
| Jun | 3.79 | 3.76 | 0.03 |
| Jul | 3.50 | 3.63 | -0.13 |
| Aug | 2.74 | 2.92 | -0.18 |
| Sep | 2.96 | 3.00 | -0.04 |
| Oct | 3.94 | 3.97 | -0.03 |
| Nov | 4.31 | 4.36 | -0.05 |
| Dec | 5.28 | 5.50 | -0.22 |
50.66 | 52.10 | -1.44 |