| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.39 | -0.14 |
| Feb | 2.96 | 2.86 | 0.10 |
| Mar | 3.34 | 3.36 | -0.02 |
| Apr | 3.16 | 2.95 | 0.21 |
| May | 3.01 | 2.85 | 0.16 |
| Jun | 5.07 | 4.83 | 0.24 |
| Jul | 5.80 | 5.70 | 0.10 |
| Aug | 6.40 | 6.38 | 0.02 |
| Sep | 5.17 | 5.09 | 0.08 |
| Oct | 4.39 | 4.37 | 0.02 |
| Nov | 2.59 | 2.65 | -0.06 |
| Dec | 3.12 | 3.41 | -0.29 |
48.26 | 47.84 | 0.42 |