| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.72 | -0.06 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.66 | 1.77 | -0.11 |
| Apr | 3.20 | 3.43 | -0.23 |
| May | 4.46 | 4.60 | -0.14 |
| Jun | 4.39 | 4.77 | -0.38 |
| Jul | 3.29 | 3.59 | -0.30 |
| Aug | 3.78 | 3.96 | -0.18 |
| Sep | 3.22 | 3.30 | -0.08 |
| Oct | 2.22 | 2.36 | -0.14 |
| Nov | 1.33 | 1.41 | -0.08 |
| Dec | 1.09 | 1.16 | -0.07 |
30.11 | 31.99 | -1.88 |