| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.45 | 0.02 |
| Feb | 3.01 | 3.02 | -0.01 |
| Mar | 3.74 | 3.79 | -0.05 |
| Apr | 4.04 | 4.14 | -0.10 |
| May | 3.50 | 3.52 | -0.02 |
| Jun | 4.27 | 4.27 | 0.00 |
| Jul | 3.34 | 3.34 | 0.00 |
| Aug | 3.41 | 3.46 | -0.05 |
| Sep | 3.96 | 3.81 | 0.15 |
| Oct | 5.04 | 5.23 | -0.19 |
| Nov | 4.35 | 4.37 | -0.02 |
| Dec | 4.29 | 4.35 | -0.06 |
46.42 | 46.75 | -0.33 |