| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.03 | -0.05 |
| Feb | 2.34 | 2.32 | 0.02 |
| Mar | 3.30 | 3.31 | -0.01 |
| Apr | 4.23 | 4.22 | 0.01 |
| May | 4.34 | 4.44 | -0.10 |
| Jun | 4.38 | 4.53 | -0.15 |
| Jul | 4.07 | 4.04 | 0.03 |
| Aug | 3.11 | 3.08 | 0.03 |
| Sep | 2.92 | 3.02 | -0.10 |
| Oct | 2.90 | 2.94 | -0.04 |
| Nov | 3.02 | 3.05 | -0.03 |
| Dec | 2.92 | 3.04 | -0.12 |
40.51 | 41.02 | -0.51 |