| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.59 | -0.03 |
| Feb | 3.08 | 3.00 | 0.08 |
| Mar | 4.01 | 3.94 | 0.07 |
| Apr | 3.66 | 3.67 | -0.01 |
| May | 3.66 | 3.72 | -0.06 |
| Jun | 4.30 | 4.34 | -0.04 |
| Jul | 5.41 | 5.34 | 0.07 |
| Aug | 5.44 | 5.40 | 0.04 |
| Sep | 5.91 | 5.97 | -0.06 |
| Oct | 3.31 | 3.38 | -0.07 |
| Nov | 3.21 | 3.27 | -0.06 |
| Dec | 3.41 | 3.41 | 0.00 |
48.96 | 49.03 | -0.07 |