| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.95 | 8.46 | 0.49 |
| Feb | 7.00 | 6.69 | 0.31 |
| Mar | 7.89 | 7.73 | 0.16 |
| Apr | 6.27 | 6.13 | 0.14 |
| May | 4.46 | 4.34 | 0.12 |
| Jun | 2.98 | 2.98 | 0.00 |
| Jul | 0.68 | 0.62 | 0.06 |
| Aug | 0.85 | 0.67 | 0.18 |
| Sep | 2.44 | 2.30 | 0.14 |
| Oct | 6.05 | 5.55 | 0.50 |
| Nov | 9.55 | 8.97 | 0.58 |
| Dec | 10.54 | 9.91 | 0.63 |
67.66 | 64.35 | 3.31 |