| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.46 | 0.01 |
| Feb | 3.17 | 3.16 | 0.01 |
| Mar | 3.43 | 3.49 | -0.06 |
| Apr | 3.17 | 3.27 | -0.10 |
| May | 3.38 | 3.22 | 0.16 |
| Jun | 5.60 | 5.73 | -0.13 |
| Jul | 5.73 | 5.59 | 0.14 |
| Aug | 6.08 | 6.71 | -0.63 |
| Sep | 4.54 | 4.79 | -0.25 |
| Oct | 3.73 | 4.00 | -0.27 |
| Nov | 2.42 | 2.60 | -0.18 |
| Dec | 3.11 | 3.38 | -0.27 |
47.83 | 49.40 | -1.57 |