| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.61 | 0.67 | -0.06 |
| Feb | 0.73 | 0.79 | -0.06 |
| Mar | 1.45 | 1.49 | -0.04 |
| Apr | 2.68 | 2.75 | -0.07 |
| May | 3.59 | 3.81 | -0.22 |
| Jun | 4.84 | 4.91 | -0.07 |
| Jul | 3.73 | 3.63 | 0.10 |
| Aug | 4.18 | 3.96 | 0.22 |
| Sep | 2.98 | 3.12 | -0.14 |
| Oct | 2.35 | 2.32 | 0.03 |
| Nov | 1.23 | 1.25 | -0.02 |
| Dec | 0.89 | 0.97 | -0.08 |
29.26 | 29.67 | -0.41 |