| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.67 | 5.39 | -0.72 |
| Feb | 3.42 | 3.94 | -0.52 |
| Mar | 4.07 | 4.35 | -0.28 |
| Apr | 3.12 | 3.43 | -0.31 |
| May | 2.32 | 2.56 | -0.24 |
| Jun | 1.91 | 2.13 | -0.22 |
| Jul | 0.85 | 0.92 | -0.07 |
| Aug | 1.00 | 1.05 | -0.05 |
| Sep | 1.78 | 2.03 | -0.25 |
| Oct | 3.78 | 3.99 | -0.21 |
| Nov | 5.15 | 6.10 | -0.95 |
| Dec | 5.20 | 5.67 | -0.47 |
37.27 | 41.56 | -4.29 |