| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.30 | -0.27 |
| Feb | 0.99 | 1.25 | -0.26 |
| Mar | 1.46 | 1.61 | -0.15 |
| Apr | 2.45 | 2.73 | -0.28 |
| May | 3.14 | 3.36 | -0.22 |
| Jun | 4.23 | 4.60 | -0.37 |
| Jul | 3.70 | 3.72 | -0.02 |
| Aug | 3.25 | 3.38 | -0.13 |
| Sep | 3.32 | 3.77 | -0.45 |
| Oct | 3.03 | 3.35 | -0.32 |
| Nov | 1.95 | 2.26 | -0.31 |
| Dec | 1.51 | 1.87 | -0.36 |
30.06 | 33.20 | -3.14 |