| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 3.40 | -0.42 |
| Feb | 2.31 | 2.51 | -0.20 |
| Mar | 2.91 | 3.15 | -0.24 |
| Apr | 3.63 | 3.79 | -0.16 |
| May | 3.55 | 3.85 | -0.30 |
| Jun | 3.82 | 3.91 | -0.09 |
| Jul | 4.07 | 4.42 | -0.35 |
| Aug | 3.72 | 3.96 | -0.24 |
| Sep | 3.99 | 4.20 | -0.21 |
| Oct | 3.93 | 4.36 | -0.43 |
| Nov | 3.54 | 3.78 | -0.24 |
| Dec | 3.22 | 3.57 | -0.35 |
41.67 | 44.90 | -3.23 |