| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.67 | -0.08 |
| Feb | 2.90 | 3.02 | -0.12 |
| Mar | 3.87 | 4.06 | -0.19 |
| Apr | 3.73 | 3.96 | -0.23 |
| May | 3.75 | 3.73 | 0.02 |
| Jun | 4.30 | 4.21 | 0.09 |
| Jul | 4.10 | 4.14 | -0.04 |
| Aug | 4.35 | 4.25 | 0.10 |
| Sep | 4.31 | 4.61 | -0.30 |
| Oct | 3.24 | 3.31 | -0.07 |
| Nov | 3.22 | 3.34 | -0.12 |
| Dec | 3.37 | 3.57 | -0.20 |
44.73 | 45.87 | -1.14 |