| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.51 | -0.04 |
| Feb | 3.37 | 3.53 | -0.16 |
| Mar | 3.54 | 3.58 | -0.04 |
| Apr | 3.42 | 3.39 | 0.03 |
| May | 3.54 | 3.75 | -0.21 |
| Jun | 5.37 | 5.41 | -0.04 |
| Jul | 5.35 | 5.85 | -0.50 |
| Aug | 5.94 | 6.14 | -0.20 |
| Sep | 5.27 | 5.34 | -0.07 |
| Oct | 4.01 | 3.97 | 0.04 |
| Nov | 2.91 | 2.96 | -0.05 |
| Dec | 3.60 | 3.73 | -0.13 |
49.79 | 51.16 | -1.37 |