| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.12 | -0.19 |
| Feb | 2.21 | 2.31 | -0.10 |
| Mar | 1.44 | 1.52 | -0.08 |
| Apr | 0.63 | 0.72 | -0.09 |
| May | 0.21 | 0.23 | -0.02 |
| Jun | 0.05 | 0.05 | 0.00 |
| Jul | 0.02 | 0.07 | -0.05 |
| Aug | 0.01 | 0.02 | -0.01 |
| Sep | 0.12 | 0.13 | -0.01 |
| Oct | 0.38 | 0.52 | -0.14 |
| Nov | 0.74 | 0.75 | -0.01 |
| Dec | 1.53 | 1.79 | -0.26 |
9.27 | 10.23 | -0.96 |