| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.92 | -0.14 |
| Feb | 0.81 | 0.90 | -0.09 |
| Mar | 1.62 | 1.66 | -0.04 |
| Apr | 2.87 | 3.07 | -0.20 |
| May | 4.14 | 4.20 | -0.06 |
| Jun | 4.66 | 4.80 | -0.14 |
| Jul | 4.12 | 4.26 | -0.14 |
| Aug | 4.50 | 4.33 | 0.17 |
| Sep | 3.31 | 3.35 | -0.04 |
| Oct | 2.81 | 2.92 | -0.11 |
| Nov | 1.63 | 1.68 | -0.05 |
| Dec | 1.13 | 1.27 | -0.14 |
32.38 | 33.36 | -0.98 |