| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.59 | -0.03 |
| Feb | 3.02 | 2.96 | 0.06 |
| Mar | 3.95 | 3.92 | 0.03 |
| Apr | 3.52 | 3.56 | -0.04 |
| May | 3.58 | 3.60 | -0.02 |
| Jun | 4.32 | 4.41 | -0.09 |
| Jul | 5.17 | 5.12 | 0.05 |
| Aug | 5.26 | 5.27 | -0.01 |
| Sep | 5.73 | 5.83 | -0.10 |
| Oct | 3.37 | 3.40 | -0.03 |
| Nov | 3.23 | 3.22 | 0.01 |
| Dec | 3.35 | 3.32 | 0.03 |
48.06 | 48.20 | -0.14 |