| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.06 | -0.04 |
| Feb | 1.07 | 0.98 | 0.09 |
| Mar | 0.93 | 0.99 | -0.06 |
| Apr | 0.29 | 0.27 | 0.02 |
| May | 0.22 | 0.22 | 0.00 |
| Jun | 0.05 | 0.07 | -0.02 |
| Jul | 0.98 | 0.95 | 0.03 |
| Aug | 1.28 | 1.27 | 0.01 |
| Sep | 0.73 | 0.64 | 0.09 |
| Oct | 0.48 | 0.53 | -0.05 |
| Nov | 0.57 | 0.51 | 0.06 |
| Dec | 0.97 | 0.91 | 0.06 |
8.59 | 8.40 | 0.19 |