| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.96 | 8.18 | -0.22 |
| Feb | 7.85 | 8.06 | -0.21 |
| Mar | 5.78 | 5.79 | -0.01 |
| Apr | 2.66 | 2.63 | 0.03 |
| May | 1.46 | 1.45 | 0.01 |
| Jun | 0.27 | 0.31 | -0.04 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.03 | 0.04 | -0.01 |
| Sep | 0.13 | 0.10 | 0.03 |
| Oct | 1.79 | 1.84 | -0.05 |
| Nov | 4.06 | 4.12 | -0.06 |
| Dec | 8.46 | 8.47 | -0.01 |
40.46 | 41.00 | -0.54 |