| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.51 | -0.14 |
| Feb | 3.01 | 2.99 | 0.02 |
| Mar | 3.45 | 3.61 | -0.16 |
| Apr | 3.38 | 3.38 | 0.00 |
| May | 3.50 | 3.47 | 0.03 |
| Jun | 4.87 | 4.66 | 0.21 |
| Jul | 5.35 | 5.20 | 0.15 |
| Aug | 4.87 | 5.22 | -0.35 |
| Sep | 5.35 | 5.32 | 0.03 |
| Oct | 3.25 | 3.32 | -0.07 |
| Nov | 3.25 | 3.33 | -0.08 |
| Dec | 3.41 | 3.48 | -0.07 |
47.06 | 47.49 | -0.43 |