| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.51 | -0.14 |
| Feb | 3.02 | 2.99 | 0.03 |
| Mar | 3.45 | 3.62 | -0.17 |
| Apr | 3.32 | 3.38 | -0.06 |
| May | 3.44 | 3.49 | -0.05 |
| Jun | 4.81 | 4.67 | 0.14 |
| Jul | 5.40 | 5.24 | 0.16 |
| Aug | 4.91 | 5.19 | -0.28 |
| Sep | 5.29 | 5.32 | -0.03 |
| Oct | 3.24 | 3.31 | -0.07 |
| Nov | 3.26 | 3.32 | -0.06 |
| Dec | 3.37 | 3.48 | -0.11 |
46.88 | 47.52 | -0.64 |