| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.79 | -0.08 |
| Feb | 4.35 | 4.37 | -0.02 |
| Mar | 4.69 | 4.73 | -0.04 |
| Apr | 5.04 | 5.07 | -0.03 |
| May | 5.32 | 5.41 | -0.09 |
| Jun | 4.50 | 4.33 | 0.17 |
| Jul | 4.50 | 4.61 | -0.11 |
| Aug | 3.60 | 3.33 | 0.27 |
| Sep | 3.47 | 3.63 | -0.16 |
| Oct | 3.92 | 3.92 | 0.00 |
| Nov | 3.87 | 3.83 | 0.04 |
| Dec | 4.72 | 4.72 | 0.00 |
51.69 | 51.74 | -0.05 |