| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.53 | -0.23 |
| Feb | 1.17 | 1.38 | -0.21 |
| Mar | 1.00 | 1.11 | -0.11 |
| Apr | 0.53 | 0.50 | 0.03 |
| May | 0.68 | 0.67 | 0.01 |
| Jun | 0.46 | 0.38 | 0.08 |
| Jul | 0.26 | 0.22 | 0.04 |
| Aug | 0.25 | 0.22 | 0.03 |
| Sep | 0.24 | 0.25 | -0.01 |
| Oct | 0.59 | 0.60 | -0.01 |
| Nov | 0.74 | 0.83 | -0.09 |
| Dec | 1.30 | 1.54 | -0.24 |
8.52 | 9.23 | -0.71 |