| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.59 | -0.10 |
| Feb | 0.51 | 0.60 | -0.09 |
| Mar | 1.08 | 1.31 | -0.23 |
| Apr | 1.90 | 2.22 | -0.32 |
| May | 2.15 | 2.31 | -0.16 |
| Jun | 1.95 | 2.10 | -0.15 |
| Jul | 2.41 | 2.31 | 0.10 |
| Aug | 1.94 | 2.02 | -0.08 |
| Sep | 1.20 | 1.34 | -0.14 |
| Oct | 1.06 | 1.11 | -0.05 |
| Nov | 0.66 | 0.80 | -0.14 |
| Dec | 0.51 | 0.59 | -0.08 |
15.86 | 17.30 | -1.44 |