| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.87 | -0.14 |
| Feb | 0.69 | 0.78 | -0.09 |
| Mar | 1.02 | 1.10 | -0.08 |
| Apr | 1.81 | 2.04 | -0.23 |
| May | 2.96 | 3.10 | -0.14 |
| Jun | 4.33 | 4.39 | -0.06 |
| Jul | 3.75 | 4.11 | -0.36 |
| Aug | 3.35 | 3.40 | -0.05 |
| Sep | 3.30 | 3.40 | -0.10 |
| Oct | 2.56 | 2.75 | -0.19 |
| Nov | 1.37 | 1.46 | -0.09 |
| Dec | 0.98 | 1.18 | -0.20 |
26.85 | 28.58 | -1.73 |