| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.95 | 1.07 | -0.12 |
| Feb | 0.92 | 1.02 | -0.10 |
| Mar | 1.37 | 1.40 | -0.03 |
| Apr | 2.35 | 2.35 | 0.00 |
| May | 3.15 | 3.12 | 0.03 |
| Jun | 4.41 | 4.55 | -0.14 |
| Jul | 4.07 | 4.16 | -0.09 |
| Aug | 3.54 | 3.42 | 0.12 |
| Sep | 3.31 | 3.57 | -0.26 |
| Oct | 2.94 | 2.82 | 0.12 |
| Nov | 1.70 | 1.73 | -0.03 |
| Dec | 1.29 | 1.52 | -0.23 |
30.00 | 30.73 | -0.73 |