| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.75 | 4.76 | -0.01 |
| Feb | 4.50 | 4.52 | -0.02 |
| Mar | 5.14 | 5.17 | -0.03 |
| Apr | 5.12 | 5.22 | -0.10 |
| May | 4.40 | 4.41 | -0.01 |
| Jun | 4.33 | 4.44 | -0.11 |
| Jul | 3.46 | 3.50 | -0.04 |
| Aug | 3.27 | 3.24 | 0.03 |
| Sep | 3.57 | 3.63 | -0.06 |
| Oct | 4.59 | 4.49 | 0.10 |
| Nov | 4.26 | 4.21 | 0.05 |
| Dec | 5.04 | 5.03 | 0.01 |
52.43 | 52.62 | -0.19 |