| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 0.94 | 0.40 |
| Feb | 1.21 | 0.83 | 0.38 |
| Mar | 1.43 | 1.34 | 0.09 |
| Apr | 1.20 | 1.23 | -0.03 |
| May | 1.24 | 1.25 | -0.01 |
| Jun | 1.03 | 0.91 | 0.12 |
| Jul | 2.82 | 2.41 | 0.41 |
| Aug | 2.67 | 2.90 | -0.23 |
| Sep | 1.87 | 1.75 | 0.12 |
| Oct | 1.62 | 1.56 | 0.06 |
| Nov | 1.42 | 1.18 | 0.24 |
| Dec | 1.45 | 1.22 | 0.23 |
19.30 | 17.52 | 1.78 |