| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.61 | -0.14 |
| Feb | 0.52 | 0.67 | -0.15 |
| Mar | 1.12 | 1.35 | -0.23 |
| Apr | 1.89 | 2.24 | -0.35 |
| May | 2.27 | 2.47 | -0.20 |
| Jun | 2.06 | 2.40 | -0.34 |
| Jul | 2.48 | 2.46 | 0.02 |
| Aug | 2.04 | 2.29 | -0.25 |
| Sep | 1.22 | 1.40 | -0.18 |
| Oct | 1.04 | 1.15 | -0.11 |
| Nov | 0.69 | 0.82 | -0.13 |
| Dec | 0.50 | 0.64 | -0.14 |
16.30 | 18.50 | -2.20 |