| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.37 | 0.00 |
| Feb | 0.40 | 0.43 | -0.03 |
| Mar | 0.98 | 1.15 | -0.17 |
| Apr | 1.89 | 1.94 | -0.05 |
| May | 2.40 | 2.69 | -0.29 |
| Jun | 1.74 | 1.70 | 0.04 |
| Jul | 1.58 | 1.49 | 0.09 |
| Aug | 1.31 | 1.30 | 0.01 |
| Sep | 1.29 | 1.25 | 0.04 |
| Oct | 1.09 | 1.16 | -0.07 |
| Nov | 0.63 | 0.63 | 0.00 |
| Dec | 0.35 | 0.43 | -0.08 |
14.03 | 14.54 | -0.51 |