| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.51 | -0.07 |
| Feb | 0.50 | 0.57 | -0.07 |
| Mar | 1.06 | 1.36 | -0.30 |
| Apr | 1.79 | 2.03 | -0.24 |
| May | 2.36 | 2.37 | -0.01 |
| Jun | 1.74 | 1.74 | 0.00 |
| Jul | 2.23 | 1.95 | 0.28 |
| Aug | 1.72 | 2.09 | -0.37 |
| Sep | 1.26 | 1.51 | -0.25 |
| Oct | 0.97 | 1.14 | -0.17 |
| Nov | 0.69 | 0.78 | -0.09 |
| Dec | 0.48 | 0.56 | -0.08 |
15.24 | 16.61 | -1.37 |