| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.33 | 0.35 | -0.02 |
| Feb | 0.45 | 0.45 | 0.00 |
| Mar | 0.83 | 0.81 | 0.02 |
| Apr | 1.73 | 1.74 | -0.01 |
| May | 2.62 | 2.41 | 0.21 |
| Jun | 2.72 | 2.91 | -0.19 |
| Jul | 3.20 | 2.96 | 0.24 |
| Aug | 2.84 | 2.75 | 0.09 |
| Sep | 1.37 | 1.46 | -0.09 |
| Oct | 1.31 | 1.36 | -0.05 |
| Nov | 0.53 | 0.56 | -0.03 |
| Dec | 0.40 | 0.40 | 0.00 |
18.33 | 18.16 | 0.17 |