| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.51 | -0.14 |
| Feb | 3.00 | 3.04 | -0.04 |
| Mar | 3.42 | 3.58 | -0.16 |
| Apr | 3.40 | 3.40 | 0.00 |
| May | 3.52 | 3.45 | 0.07 |
| Jun | 4.90 | 4.67 | 0.23 |
| Jul | 5.30 | 5.07 | 0.23 |
| Aug | 4.88 | 5.25 | -0.37 |
| Sep | 5.38 | 5.38 | 0.00 |
| Oct | 3.23 | 3.32 | -0.09 |
| Nov | 3.22 | 3.35 | -0.13 |
| Dec | 3.41 | 3.46 | -0.05 |
47.03 | 47.48 | -0.45 |