| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.57 | 4.50 | 0.07 |
| Feb | 4.81 | 4.91 | -0.10 |
| Mar | 5.32 | 5.15 | 0.17 |
| Apr | 5.10 | 5.29 | -0.19 |
| May | 5.02 | 5.43 | -0.41 |
| Jun | 4.81 | 4.77 | 0.04 |
| Jul | 4.50 | 4.87 | -0.37 |
| Aug | 3.74 | 3.75 | -0.01 |
| Sep | 4.07 | 4.11 | -0.04 |
| Oct | 3.82 | 3.78 | 0.04 |
| Nov | 3.90 | 3.75 | 0.15 |
| Dec | 5.38 | 5.36 | 0.02 |
55.04 | 55.67 | -0.63 |