| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.84 | -0.07 |
| Feb | 0.79 | 0.84 | -0.05 |
| Mar | 1.57 | 1.57 | 0.00 |
| Apr | 2.87 | 2.98 | -0.11 |
| May | 4.16 | 4.21 | -0.05 |
| Jun | 4.61 | 4.58 | 0.03 |
| Jul | 4.20 | 4.29 | -0.09 |
| Aug | 4.35 | 4.09 | 0.26 |
| Sep | 3.21 | 3.23 | -0.02 |
| Oct | 2.89 | 2.77 | 0.12 |
| Nov | 1.61 | 1.60 | 0.01 |
| Dec | 1.08 | 1.19 | -0.11 |
32.11 | 32.19 | -0.08 |