| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.97 | -0.03 |
| Feb | 0.97 | 0.96 | 0.01 |
| Mar | 1.81 | 1.81 | 0.00 |
| Apr | 2.98 | 2.96 | 0.02 |
| May | 4.25 | 4.30 | -0.05 |
| Jun | 5.28 | 5.16 | 0.12 |
| Jul | 4.24 | 4.04 | 0.20 |
| Aug | 4.68 | 4.72 | -0.04 |
| Sep | 3.50 | 3.66 | -0.16 |
| Oct | 2.73 | 2.66 | 0.07 |
| Nov | 1.68 | 1.73 | -0.05 |
| Dec | 1.22 | 1.24 | -0.02 |
34.28 | 34.21 | 0.07 |