| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.45 | -0.08 |
| Feb | 0.44 | 0.48 | -0.04 |
| Mar | 0.74 | 0.84 | -0.10 |
| Apr | 1.20 | 1.51 | -0.31 |
| May | 1.86 | 1.83 | 0.03 |
| Jun | 1.52 | 1.51 | 0.01 |
| Jul | 1.54 | 1.59 | -0.05 |
| Aug | 1.17 | 1.29 | -0.12 |
| Sep | 1.18 | 1.29 | -0.11 |
| Oct | 1.03 | 1.03 | 0.00 |
| Nov | 0.53 | 0.64 | -0.11 |
| Dec | 0.44 | 0.48 | -0.04 |
12.02 | 12.94 | -0.92 |