| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.81 | 0.01 |
| Feb | 1.01 | 1.06 | -0.05 |
| Mar | 1.84 | 1.75 | 0.09 |
| Apr | 3.12 | 3.20 | -0.08 |
| May | 5.02 | 4.85 | 0.17 |
| Jun | 4.88 | 4.94 | -0.06 |
| Jul | 3.70 | 3.48 | 0.22 |
| Aug | 3.77 | 3.91 | -0.14 |
| Sep | 3.03 | 3.00 | 0.03 |
| Oct | 2.48 | 2.54 | -0.06 |
| Nov | 1.38 | 1.39 | -0.01 |
| Dec | 1.27 | 1.27 | 0.00 |
32.32 | 32.20 | 0.12 |