| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.49 | 0.58 | -0.09 |
| Feb | 0.51 | 0.59 | -0.08 |
| Mar | 1.08 | 1.29 | -0.21 |
| Apr | 1.90 | 2.22 | -0.32 |
| May | 2.15 | 2.30 | -0.15 |
| Jun | 1.95 | 2.12 | -0.17 |
| Jul | 2.41 | 2.34 | 0.07 |
| Aug | 1.94 | 1.98 | -0.04 |
| Sep | 1.20 | 1.34 | -0.14 |
| Oct | 1.06 | 1.10 | -0.04 |
| Nov | 0.66 | 0.80 | -0.14 |
| Dec | 0.51 | 0.58 | -0.07 |
15.86 | 17.24 | -1.38 |