| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.82 | -0.03 |
| Feb | 1.22 | 1.18 | 0.04 |
| Mar | 2.17 | 2.21 | -0.04 |
| Apr | 3.29 | 3.30 | -0.01 |
| May | 5.06 | 5.06 | 0.00 |
| Jun | 4.71 | 4.69 | 0.02 |
| Jul | 4.52 | 4.49 | 0.03 |
| Aug | 4.21 | 4.20 | 0.01 |
| Sep | 3.05 | 3.08 | -0.03 |
| Oct | 2.53 | 2.52 | 0.01 |
| Nov | 1.57 | 1.55 | 0.02 |
| Dec | 1.23 | 1.24 | -0.01 |
34.35 | 34.34 | 0.01 |