| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.89 | 5.65 | 0.24 |
| Feb | 5.06 | 4.82 | 0.24 |
| Mar | 5.53 | 5.33 | 0.20 |
| Apr | 5.35 | 4.87 | 0.48 |
| May | 4.98 | 4.62 | 0.36 |
| Jun | 5.91 | 5.14 | 0.77 |
| Jul | 5.87 | 5.45 | 0.42 |
| Aug | 6.35 | 5.91 | 0.44 |
| Sep | 5.56 | 4.92 | 0.64 |
| Oct | 4.64 | 4.43 | 0.21 |
| Nov | 5.07 | 4.75 | 0.32 |
| Dec | 6.27 | 5.98 | 0.29 |
66.48 | 61.87 | 4.61 |