| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.92 | -0.14 |
| Feb | 0.90 | 1.03 | -0.13 |
| Mar | 0.53 | 0.63 | -0.10 |
| Apr | 0.17 | 0.17 | 0.00 |
| May | 0.06 | 0.05 | 0.01 |
| Jun | 0.02 | 0.02 | 0.00 |
| Jul | 0.24 | 0.19 | 0.05 |
| Aug | 0.34 | 0.41 | -0.07 |
| Sep | 0.25 | 0.28 | -0.03 |
| Oct | 0.39 | 0.35 | 0.04 |
| Nov | 0.30 | 0.33 | -0.03 |
| Dec | 0.48 | 0.45 | 0.03 |
4.46 | 4.83 | -0.37 |