| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.74 | -0.02 |
| Feb | 0.83 | 0.95 | -0.12 |
| Mar | 1.13 | 1.07 | 0.06 |
| Apr | 1.54 | 1.73 | -0.19 |
| May | 2.76 | 3.08 | -0.32 |
| Jun | 2.98 | 3.05 | -0.07 |
| Jul | 2.13 | 2.43 | -0.30 |
| Aug | 2.22 | 2.35 | -0.13 |
| Sep | 2.81 | 2.67 | 0.14 |
| Oct | 1.59 | 1.76 | -0.17 |
| Nov | 1.06 | 1.29 | -0.23 |
| Dec | 0.82 | 0.97 | -0.15 |
20.59 | 22.09 | -1.50 |