| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.31 | 0.29 | 0.02 |
| Feb | 0.44 | 0.44 | 0.00 |
| Mar | 0.91 | 0.87 | 0.04 |
| Apr | 1.66 | 1.70 | -0.04 |
| May | 2.61 | 2.80 | -0.19 |
| Jun | 2.37 | 2.47 | -0.10 |
| Jul | 2.08 | 2.24 | -0.16 |
| Aug | 1.54 | 1.65 | -0.11 |
| Sep | 1.42 | 1.43 | -0.01 |
| Oct | 1.07 | 0.97 | 0.10 |
| Nov | 0.54 | 0.54 | 0.00 |
| Dec | 0.39 | 0.43 | -0.04 |
15.34 | 15.83 | -0.49 |