| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.35 | -0.10 |
| Feb | 3.17 | 3.22 | -0.05 |
| Mar | 4.34 | 4.36 | -0.02 |
| Apr | 4.46 | 4.59 | -0.13 |
| May | 4.89 | 4.93 | -0.04 |
| Jun | 4.56 | 4.72 | -0.16 |
| Jul | 4.73 | 5.08 | -0.35 |
| Aug | 3.51 | 3.50 | 0.01 |
| Sep | 3.21 | 3.26 | -0.05 |
| Oct | 3.16 | 3.18 | -0.02 |
| Nov | 2.96 | 3.15 | -0.19 |
| Dec | 3.70 | 3.73 | -0.03 |
45.94 | 47.07 | -1.13 |