| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.51 | -0.14 |
| Feb | 3.19 | 3.35 | -0.16 |
| Mar | 3.46 | 3.53 | -0.07 |
| Apr | 3.25 | 3.21 | 0.04 |
| May | 3.34 | 3.65 | -0.31 |
| Jun | 5.62 | 5.71 | -0.09 |
| Jul | 5.74 | 6.14 | -0.40 |
| Aug | 6.23 | 6.36 | -0.13 |
| Sep | 4.95 | 5.34 | -0.39 |
| Oct | 4.15 | 4.18 | -0.03 |
| Nov | 2.89 | 2.84 | 0.05 |
| Dec | 3.38 | 3.59 | -0.21 |
49.57 | 51.41 | -1.84 |