| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.33 | 6.56 | -0.23 |
| Feb | 5.25 | 5.32 | -0.07 |
| Mar | 5.06 | 5.01 | 0.05 |
| Apr | 5.29 | 5.21 | 0.08 |
| May | 5.31 | 5.09 | 0.22 |
| Jun | 5.53 | 5.84 | -0.31 |
| Jul | 4.93 | 5.25 | -0.32 |
| Aug | 5.08 | 5.55 | -0.47 |
| Sep | 4.04 | 4.36 | -0.32 |
| Oct | 4.33 | 4.60 | -0.27 |
| Nov | 4.57 | 4.47 | 0.10 |
| Dec | 5.44 | 5.40 | 0.04 |
61.16 | 62.66 | -1.50 |