| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.96 | 0.04 |
| Feb | 1.00 | 0.98 | 0.02 |
| Mar | 1.94 | 1.89 | 0.05 |
| Apr | 3.45 | 3.40 | 0.05 |
| May | 4.46 | 4.36 | 0.10 |
| Jun | 5.40 | 5.31 | 0.09 |
| Jul | 4.36 | 4.21 | 0.15 |
| Aug | 4.32 | 4.40 | -0.08 |
| Sep | 3.67 | 3.56 | 0.11 |
| Oct | 2.45 | 2.37 | 0.08 |
| Nov | 1.77 | 1.66 | 0.11 |
| Dec | 1.21 | 1.18 | 0.03 |
35.03 | 34.28 | 0.75 |