| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.56 | 5.59 | -0.03 |
| Feb | 4.40 | 4.42 | -0.02 |
| Mar | 5.21 | 5.04 | 0.17 |
| Apr | 5.33 | 5.42 | -0.09 |
| May | 5.03 | 5.51 | -0.48 |
| Jun | 6.45 | 6.77 | -0.32 |
| Jul | 7.34 | 7.95 | -0.61 |
| Aug | 6.60 | 7.13 | -0.53 |
| Sep | 5.22 | 5.59 | -0.37 |
| Oct | 3.97 | 4.09 | -0.12 |
| Nov | 4.33 | 4.47 | -0.14 |
| Dec | 5.26 | 5.44 | -0.18 |
64.70 | 67.42 | -2.72 |