| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.02 | 5.76 | 0.26 |
| Feb | 5.08 | 4.93 | 0.15 |
| Mar | 5.63 | 5.38 | 0.25 |
| Apr | 5.25 | 4.83 | 0.42 |
| May | 5.07 | 4.82 | 0.25 |
| Jun | 5.95 | 5.16 | 0.79 |
| Jul | 6.17 | 5.25 | 0.92 |
| Aug | 6.92 | 6.12 | 0.80 |
| Sep | 5.50 | 5.11 | 0.39 |
| Oct | 4.58 | 4.67 | -0.09 |
| Nov | 5.06 | 4.73 | 0.33 |
| Dec | 6.30 | 6.00 | 0.30 |
67.53 | 62.76 | 4.77 |