| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.72 | 0.05 |
| Feb | 0.83 | 0.74 | 0.09 |
| Mar | 1.74 | 1.60 | 0.14 |
| Apr | 3.08 | 2.82 | 0.26 |
| May | 4.35 | 4.17 | 0.18 |
| Jun | 4.90 | 4.96 | -0.06 |
| Jul | 3.80 | 3.77 | 0.03 |
| Aug | 4.00 | 3.77 | 0.23 |
| Sep | 3.21 | 3.18 | 0.03 |
| Oct | 2.46 | 2.39 | 0.07 |
| Nov | 1.54 | 1.31 | 0.23 |
| Dec | 0.91 | 0.94 | -0.03 |
31.59 | 30.37 | 1.22 |