| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.87 | -0.13 |
| Feb | 0.69 | 0.79 | -0.10 |
| Mar | 1.02 | 1.10 | -0.08 |
| Apr | 1.81 | 2.05 | -0.24 |
| May | 2.95 | 3.10 | -0.15 |
| Jun | 4.32 | 4.37 | -0.05 |
| Jul | 3.76 | 4.10 | -0.34 |
| Aug | 3.36 | 3.38 | -0.02 |
| Sep | 3.33 | 3.39 | -0.06 |
| Oct | 2.56 | 2.75 | -0.19 |
| Nov | 1.36 | 1.47 | -0.11 |
| Dec | 0.98 | 1.17 | -0.19 |
26.88 | 28.54 | -1.66 |