| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.81 | 0.81 | 0.00 |
| Mar | 1.45 | 1.57 | -0.12 |
| Apr | 2.69 | 2.70 | -0.01 |
| May | 3.99 | 4.04 | -0.05 |
| Jun | 4.30 | 4.24 | 0.06 |
| Jul | 4.02 | 4.00 | 0.02 |
| Aug | 3.96 | 4.03 | -0.07 |
| Sep | 3.13 | 3.16 | -0.03 |
| Oct | 2.68 | 2.68 | 0.00 |
| Nov | 1.43 | 1.48 | -0.05 |
| Dec | 0.97 | 1.06 | -0.09 |
30.12 | 30.51 | -0.39 |