| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.45 | -0.14 |
| Feb | 3.64 | 3.83 | -0.19 |
| Mar | 3.68 | 3.70 | -0.02 |
| Apr | 3.54 | 3.63 | -0.09 |
| May | 4.20 | 4.22 | -0.02 |
| Jun | 5.00 | 4.37 | 0.63 |
| Jul | 6.08 | 5.70 | 0.38 |
| Aug | 7.52 | 7.37 | 0.15 |
| Sep | 7.94 | 8.36 | -0.42 |
| Oct | 4.54 | 4.83 | -0.29 |
| Nov | 4.06 | 4.36 | -0.30 |
| Dec | 4.14 | 4.34 | -0.20 |
58.65 | 59.16 | -0.51 |