| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.63 | -0.14 |
| Feb | 3.21 | 3.29 | -0.08 |
| Mar | 3.59 | 3.88 | -0.29 |
| Apr | 3.19 | 3.45 | -0.26 |
| May | 3.87 | 3.47 | 0.40 |
| Jun | 5.13 | 5.02 | 0.11 |
| Jul | 6.01 | 6.23 | -0.22 |
| Aug | 6.32 | 6.63 | -0.31 |
| Sep | 6.19 | 7.04 | -0.85 |
| Oct | 4.24 | 4.79 | -0.55 |
| Nov | 3.18 | 3.05 | 0.13 |
| Dec | 3.88 | 3.83 | 0.05 |
52.30 | 54.31 | -2.01 |