| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.59 | 4.66 | 0.93 |
| Feb | 5.04 | 4.64 | 0.40 |
| Mar | 4.31 | 4.04 | 0.27 |
| Apr | 2.34 | 2.32 | 0.02 |
| May | 1.29 | 1.25 | 0.04 |
| Jun | 0.32 | 0.36 | -0.04 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.04 | 0.04 | 0.00 |
| Sep | 0.21 | 0.21 | 0.00 |
| Oct | 1.31 | 1.38 | -0.07 |
| Nov | 2.94 | 2.66 | 0.28 |
| Dec | 5.04 | 5.03 | 0.01 |
28.44 | 26.59 | 1.85 |