| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.92 | -0.11 |
| Feb | 0.82 | 0.92 | -0.10 |
| Mar | 1.62 | 1.72 | -0.10 |
| Apr | 2.92 | 2.98 | -0.06 |
| May | 4.15 | 4.31 | -0.16 |
| Jun | 4.86 | 5.02 | -0.16 |
| Jul | 4.22 | 4.27 | -0.05 |
| Aug | 4.54 | 4.64 | -0.10 |
| Sep | 3.23 | 3.36 | -0.13 |
| Oct | 2.63 | 2.68 | -0.05 |
| Nov | 1.56 | 1.65 | -0.09 |
| Dec | 1.13 | 1.26 | -0.13 |
32.49 | 33.73 | -1.24 |