| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 |
| Feb | 0.75 | 0.80 | -0.05 |
| Mar | 1.54 | 1.55 | -0.01 |
| Apr | 2.92 | 2.99 | -0.07 |
| May | 3.94 | 4.08 | -0.14 |
| Jun | 4.65 | 4.75 | -0.10 |
| Jul | 3.77 | 3.70 | 0.07 |
| Aug | 3.98 | 3.61 | 0.37 |
| Sep | 3.11 | 3.04 | 0.07 |
| Oct | 2.25 | 2.30 | -0.05 |
| Nov | 1.37 | 1.28 | 0.09 |
| Dec | 0.87 | 0.97 | -0.10 |
29.80 | 29.77 | 0.03 |