| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.77 | -0.03 |
| Feb | 3.98 | 4.18 | -0.20 |
| Mar | 5.08 | 5.14 | -0.06 |
| Apr | 5.47 | 5.63 | -0.16 |
| May | 5.31 | 5.42 | -0.11 |
| Jun | 3.36 | 3.41 | -0.05 |
| Jul | 3.36 | 3.43 | -0.07 |
| Aug | 2.79 | 2.91 | -0.12 |
| Sep | 3.10 | 3.05 | 0.05 |
| Oct | 4.17 | 4.21 | -0.04 |
| Nov | 4.42 | 4.44 | -0.02 |
| Dec | 5.14 | 5.32 | -0.18 |
49.92 | 50.91 | -0.99 |