| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.55 | -0.07 |
| Feb | 0.60 | 0.61 | -0.01 |
| Mar | 1.05 | 1.38 | -0.33 |
| Apr | 2.01 | 2.16 | -0.15 |
| May | 2.34 | 2.36 | -0.02 |
| Jun | 2.17 | 2.39 | -0.22 |
| Jul | 3.56 | 3.41 | 0.15 |
| Aug | 2.88 | 3.31 | -0.43 |
| Sep | 1.46 | 1.59 | -0.13 |
| Oct | 1.05 | 1.10 | -0.05 |
| Nov | 0.74 | 0.76 | -0.02 |
| Dec | 0.49 | 0.62 | -0.13 |
18.83 | 20.24 | -1.41 |