| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 1.25 | -0.18 |
| Feb | 1.12 | 1.31 | -0.19 |
| Mar | 1.96 | 2.41 | -0.45 |
| Apr | 3.01 | 3.31 | -0.30 |
| May | 3.00 | 3.03 | -0.03 |
| Jun | 1.87 | 1.74 | 0.13 |
| Jul | 2.52 | 2.59 | -0.07 |
| Aug | 2.18 | 2.17 | 0.01 |
| Sep | 1.78 | 2.04 | -0.26 |
| Oct | 1.50 | 1.61 | -0.11 |
| Nov | 1.24 | 1.34 | -0.10 |
| Dec | 0.99 | 1.18 | -0.19 |
22.24 | 23.98 | -1.74 |