| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.74 | -0.02 |
| Feb | 0.90 | 0.96 | -0.06 |
| Mar | 1.82 | 1.86 | -0.04 |
| Apr | 3.26 | 3.28 | -0.02 |
| May | 4.81 | 4.86 | -0.05 |
| Jun | 4.87 | 5.03 | -0.16 |
| Jul | 3.73 | 3.84 | -0.11 |
| Aug | 4.22 | 4.16 | 0.06 |
| Sep | 3.30 | 3.21 | 0.09 |
| Oct | 2.37 | 2.52 | -0.15 |
| Nov | 1.31 | 1.40 | -0.09 |
| Dec | 1.15 | 1.28 | -0.13 |
32.46 | 33.14 | -0.68 |