| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.77 | -0.14 |
| Feb | 2.04 | 2.23 | -0.19 |
| Mar | 1.97 | 2.15 | -0.18 |
| Apr | 1.71 | 1.92 | -0.21 |
| May | 1.43 | 1.56 | -0.13 |
| Jun | 0.78 | 0.85 | -0.07 |
| Jul | 0.36 | 0.38 | -0.02 |
| Aug | 0.32 | 0.34 | -0.02 |
| Sep | 0.46 | 0.51 | -0.05 |
| Oct | 1.31 | 1.46 | -0.15 |
| Nov | 2.51 | 2.78 | -0.27 |
| Dec | 3.47 | 3.92 | -0.45 |
18.99 | 20.87 | -1.88 |