| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.87 | -0.41 |
| Feb | 1.95 | 2.58 | -0.63 |
| Mar | 1.91 | 2.38 | -0.47 |
| Apr | 1.64 | 2.24 | -0.60 |
| May | 1.44 | 1.87 | -0.43 |
| Jun | 0.80 | 0.82 | -0.02 |
| Jul | 0.36 | 0.44 | -0.08 |
| Aug | 0.31 | 0.34 | -0.03 |
| Sep | 0.46 | 0.62 | -0.16 |
| Oct | 1.27 | 1.59 | -0.32 |
| Nov | 2.39 | 2.85 | -0.46 |
| Dec | 3.30 | 3.99 | -0.69 |
18.29 | 22.59 | -4.30 |