| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.05 | 4.07 | -0.02 |
| Feb | 4.60 | 4.50 | 0.10 |
| Mar | 5.21 | 5.19 | 0.02 |
| Apr | 5.29 | 5.26 | 0.03 |
| May | 5.55 | 5.61 | -0.06 |
| Jun | 4.44 | 4.54 | -0.10 |
| Jul | 4.08 | 4.20 | -0.12 |
| Aug | 3.56 | 3.24 | 0.32 |
| Sep | 3.64 | 3.66 | -0.02 |
| Oct | 3.49 | 3.80 | -0.31 |
| Nov | 4.54 | 4.50 | 0.04 |
| Dec | 4.99 | 5.04 | -0.05 |
53.44 | 53.61 | -0.17 |