| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.98 | 1.00 | -0.02 |
| Feb | 1.00 | 0.99 | 0.01 |
| Mar | 1.49 | 1.56 | -0.07 |
| Apr | 2.69 | 2.83 | -0.14 |
| May | 3.52 | 3.56 | -0.04 |
| Jun | 4.13 | 4.35 | -0.22 |
| Jul | 4.27 | 4.47 | -0.20 |
| Aug | 3.92 | 4.00 | -0.08 |
| Sep | 3.37 | 3.47 | -0.10 |
| Oct | 3.18 | 3.21 | -0.03 |
| Nov | 1.82 | 1.91 | -0.09 |
| Dec | 1.40 | 1.47 | -0.07 |
31.77 | 32.82 | -1.05 |