| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.56 | 5.65 | -0.09 |
| Feb | 4.45 | 4.46 | -0.01 |
| Mar | 5.15 | 5.10 | 0.05 |
| Apr | 5.20 | 5.34 | -0.14 |
| May | 4.92 | 5.42 | -0.50 |
| Jun | 6.30 | 6.73 | -0.43 |
| Jul | 7.07 | 7.84 | -0.77 |
| Aug | 6.44 | 6.99 | -0.55 |
| Sep | 5.05 | 5.60 | -0.55 |
| Oct | 3.87 | 4.04 | -0.17 |
| Nov | 4.35 | 4.41 | -0.06 |
| Dec | 5.24 | 5.45 | -0.21 |
63.60 | 67.03 | -3.43 |