| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.86 | -0.09 |
| Feb | 0.79 | 0.84 | -0.05 |
| Mar | 1.57 | 1.59 | -0.02 |
| Apr | 2.87 | 3.00 | -0.13 |
| May | 4.16 | 4.22 | -0.06 |
| Jun | 4.61 | 4.58 | 0.03 |
| Jul | 4.20 | 4.27 | -0.07 |
| Aug | 4.35 | 4.10 | 0.25 |
| Sep | 3.21 | 3.24 | -0.03 |
| Oct | 2.89 | 2.79 | 0.10 |
| Nov | 1.61 | 1.61 | 0.00 |
| Dec | 1.08 | 1.21 | -0.13 |
32.11 | 32.31 | -0.20 |