| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.16 | -0.01 |
| Feb | 1.04 | 1.05 | -0.01 |
| Mar | 1.69 | 1.65 | 0.04 |
| Apr | 2.81 | 2.84 | -0.03 |
| May | 3.59 | 3.57 | 0.02 |
| Jun | 4.31 | 4.30 | 0.01 |
| Jul | 3.77 | 3.81 | -0.04 |
| Aug | 3.56 | 3.54 | 0.02 |
| Sep | 3.61 | 3.59 | 0.02 |
| Oct | 3.20 | 3.13 | 0.07 |
| Nov | 1.88 | 1.84 | 0.04 |
| Dec | 1.48 | 1.45 | 0.03 |
32.09 | 31.93 | 0.16 |