| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.30 | 0.35 | -0.05 |
| Feb | 0.59 | 0.55 | 0.04 |
| Mar | 0.88 | 0.80 | 0.08 |
| Apr | 1.72 | 1.74 | -0.02 |
| May | 3.18 | 3.30 | -0.12 |
| Jun | 3.18 | 3.48 | -0.30 |
| Jul | 2.46 | 2.72 | -0.26 |
| Aug | 1.66 | 2.08 | -0.42 |
| Sep | 1.24 | 1.46 | -0.22 |
| Oct | 1.37 | 1.36 | 0.01 |
| Nov | 0.47 | 0.52 | -0.05 |
| Dec | 0.41 | 0.44 | -0.03 |
17.46 | 18.80 | -1.34 |