| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.27 | -0.02 |
| Feb | 1.45 | 1.47 | -0.02 |
| Mar | 2.13 | 2.06 | 0.07 |
| Apr | 3.84 | 3.78 | 0.06 |
| May | 4.22 | 4.39 | -0.17 |
| Jun | 5.52 | 5.46 | 0.06 |
| Jul | 4.78 | 5.02 | -0.24 |
| Aug | 3.97 | 3.84 | 0.13 |
| Sep | 3.63 | 3.60 | 0.03 |
| Oct | 2.94 | 2.87 | 0.07 |
| Nov | 2.27 | 2.23 | 0.04 |
| Dec | 1.67 | 1.70 | -0.03 |
37.67 | 37.69 | -0.02 |