| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.92 | -0.13 |
| Feb | 0.81 | 0.91 | -0.10 |
| Mar | 1.59 | 1.64 | -0.05 |
| Apr | 2.87 | 3.13 | -0.26 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 4.85 | 5.02 | -0.17 |
| Jul | 4.13 | 4.24 | -0.11 |
| Aug | 4.55 | 4.60 | -0.05 |
| Sep | 3.32 | 3.39 | -0.07 |
| Oct | 2.79 | 3.06 | -0.27 |
| Nov | 1.64 | 1.76 | -0.12 |
| Dec | 1.14 | 1.27 | -0.13 |
32.63 | 34.23 | -1.60 |