| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.51 | -0.07 |
| Feb | 2.04 | 2.16 | -0.12 |
| Mar | 2.56 | 2.51 | 0.05 |
| Apr | 3.71 | 3.60 | 0.11 |
| May | 4.26 | 4.18 | 0.08 |
| Jun | 4.71 | 4.54 | 0.17 |
| Jul | 4.32 | 4.56 | -0.24 |
| Aug | 4.29 | 4.45 | -0.16 |
| Sep | 3.36 | 3.28 | 0.08 |
| Oct | 3.45 | 3.38 | 0.07 |
| Nov | 2.82 | 2.78 | 0.04 |
| Dec | 2.34 | 2.32 | 0.02 |
40.30 | 40.27 | 0.03 |