| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.53 | -0.06 |
| Feb | 2.75 | 2.82 | -0.07 |
| Mar | 4.16 | 4.19 | -0.03 |
| Apr | 3.75 | 3.73 | 0.02 |
| May | 4.01 | 3.96 | 0.05 |
| Jun | 4.28 | 4.23 | 0.05 |
| Jul | 4.75 | 4.75 | 0.00 |
| Aug | 4.57 | 4.79 | -0.22 |
| Sep | 4.37 | 4.46 | -0.09 |
| Oct | 4.15 | 4.15 | 0.00 |
| Nov | 3.33 | 3.27 | 0.06 |
| Dec | 4.33 | 4.40 | -0.07 |
47.92 | 48.28 | -0.36 |