| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.99 | 1.10 | -0.11 |
| Feb | 0.97 | 1.11 | -0.14 |
| Mar | 1.06 | 1.10 | -0.04 |
| Apr | 1.03 | 1.12 | -0.09 |
| May | 1.19 | 1.35 | -0.16 |
| Jun | 0.57 | 0.59 | -0.02 |
| Jul | 0.98 | 1.06 | -0.08 |
| Aug | 1.15 | 1.21 | -0.06 |
| Sep | 1.42 | 1.61 | -0.19 |
| Oct | 1.29 | 1.45 | -0.16 |
| Nov | 0.93 | 1.02 | -0.09 |
| Dec | 1.07 | 1.14 | -0.07 |
12.65 | 13.86 | -1.21 |