| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.60 | -0.30 |
| Feb | 1.05 | 1.15 | -0.10 |
| Mar | 1.56 | 1.75 | -0.19 |
| Apr | 2.66 | 2.92 | -0.26 |
| May | 3.26 | 3.36 | -0.10 |
| Jun | 3.52 | 3.74 | -0.22 |
| Jul | 3.69 | 3.70 | -0.01 |
| Aug | 3.26 | 3.30 | -0.04 |
| Sep | 3.08 | 3.15 | -0.07 |
| Oct | 3.15 | 3.14 | 0.01 |
| Nov | 2.08 | 2.26 | -0.18 |
| Dec | 1.70 | 1.89 | -0.19 |
30.31 | 31.96 | -1.65 |