| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 4.99 | -0.53 |
| Feb | 4.30 | 4.37 | -0.07 |
| Mar | 4.86 | 4.79 | 0.07 |
| Apr | 4.75 | 5.44 | -0.69 |
| May | 3.58 | 3.85 | -0.27 |
| Jun | 6.04 | 6.35 | -0.31 |
| Jul | 6.98 | 7.21 | -0.23 |
| Aug | 6.77 | 6.86 | -0.09 |
| Sep | 6.64 | 6.65 | -0.01 |
| Oct | 4.18 | 4.23 | -0.05 |
| Nov | 3.99 | 4.21 | -0.22 |
| Dec | 4.74 | 4.82 | -0.08 |
61.29 | 63.77 | -2.48 |