| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.46 | 0.23 |
| Feb | 0.74 | 0.49 | 0.25 |
| Mar | 1.54 | 1.03 | 0.51 |
| Apr | 2.36 | 1.80 | 0.56 |
| May | 2.51 | 2.12 | 0.39 |
| Jun | 2.10 | 2.09 | 0.01 |
| Jul | 3.26 | 2.77 | 0.49 |
| Aug | 2.84 | 3.31 | -0.47 |
| Sep | 1.52 | 1.62 | -0.10 |
| Oct | 1.13 | 0.76 | 0.37 |
| Nov | 0.85 | 0.61 | 0.24 |
| Dec | 0.66 | 0.43 | 0.23 |
20.20 | 17.49 | 2.71 |