| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.63 | -0.14 |
| Feb | 0.54 | 0.69 | -0.15 |
| Mar | 1.19 | 1.58 | -0.39 |
| Apr | 1.95 | 2.36 | -0.41 |
| May | 2.26 | 2.49 | -0.23 |
| Jun | 1.81 | 2.01 | -0.20 |
| Jul | 2.23 | 2.25 | -0.02 |
| Aug | 1.90 | 2.23 | -0.33 |
| Sep | 1.29 | 1.43 | -0.14 |
| Oct | 0.98 | 1.23 | -0.25 |
| Nov | 0.66 | 0.90 | -0.24 |
| Dec | 0.53 | 0.68 | -0.15 |
15.83 | 18.48 | -2.65 |