| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.98 | -0.02 |
| Feb | 1.36 | 1.41 | -0.05 |
| Mar | 2.29 | 2.31 | -0.02 |
| Apr | 3.75 | 3.91 | -0.16 |
| May | 5.08 | 5.22 | -0.14 |
| Jun | 5.34 | 5.29 | 0.05 |
| Jul | 4.21 | 4.18 | 0.03 |
| Aug | 4.43 | 4.37 | 0.06 |
| Sep | 3.80 | 3.81 | -0.01 |
| Oct | 2.97 | 3.09 | -0.12 |
| Nov | 1.97 | 1.97 | 0.00 |
| Dec | 1.56 | 1.57 | -0.01 |
37.72 | 38.11 | -0.39 |