| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.25 | 4.29 | -0.04 |
| Feb | 3.81 | 3.93 | -0.12 |
| Mar | 4.52 | 4.58 | -0.06 |
| Apr | 4.50 | 4.44 | 0.06 |
| May | 5.25 | 5.03 | 0.22 |
| Jun | 5.06 | 5.07 | -0.01 |
| Jul | 4.97 | 5.09 | -0.12 |
| Aug | 4.34 | 4.23 | 0.11 |
| Sep | 3.92 | 3.81 | 0.11 |
| Oct | 3.73 | 3.52 | 0.21 |
| Nov | 3.41 | 3.43 | -0.02 |
| Dec | 4.34 | 4.25 | 0.09 |
52.10 | 51.67 | 0.43 |