| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.77 | -0.04 |
| Feb | 0.73 | 0.75 | -0.02 |
| Mar | 1.35 | 1.39 | -0.04 |
| Apr | 2.26 | 2.39 | -0.13 |
| May | 3.50 | 3.52 | -0.02 |
| Jun | 4.39 | 4.43 | -0.04 |
| Jul | 4.53 | 4.46 | 0.07 |
| Aug | 3.50 | 3.35 | 0.15 |
| Sep | 3.02 | 2.93 | 0.09 |
| Oct | 2.83 | 2.74 | 0.09 |
| Nov | 1.42 | 1.42 | 0.00 |
| Dec | 0.98 | 1.02 | -0.04 |
29.24 | 29.17 | 0.07 |