| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 1.00 | -0.08 |
| Feb | 0.79 | 0.83 | -0.04 |
| Mar | 1.54 | 1.45 | 0.09 |
| Apr | 1.29 | 1.27 | 0.02 |
| May | 2.77 | 3.01 | -0.24 |
| Jun | 2.11 | 1.94 | 0.17 |
| Jul | 2.00 | 1.73 | 0.27 |
| Aug | 1.67 | 1.40 | 0.27 |
| Sep | 3.19 | 3.28 | -0.09 |
| Oct | 1.91 | 2.04 | -0.13 |
| Nov | 1.12 | 1.16 | -0.04 |
| Dec | 1.00 | 0.95 | 0.05 |
20.31 | 20.06 | 0.25 |