| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 4.27 | -0.21 |
| Feb | 2.93 | 3.17 | -0.24 |
| Mar | 3.49 | 3.54 | -0.05 |
| Apr | 4.01 | 4.11 | -0.10 |
| May | 5.12 | 5.32 | -0.20 |
| Jun | 5.52 | 5.59 | -0.07 |
| Jul | 4.21 | 4.36 | -0.15 |
| Aug | 4.92 | 5.18 | -0.26 |
| Sep | 5.29 | 5.51 | -0.22 |
| Oct | 4.95 | 4.84 | 0.11 |
| Nov | 4.23 | 4.61 | -0.38 |
| Dec | 4.00 | 4.15 | -0.15 |
52.73 | 54.65 | -1.92 |