| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.01 | -0.17 |
| Feb | 2.26 | 2.52 | -0.26 |
| Mar | 2.77 | 3.07 | -0.30 |
| Apr | 3.22 | 3.56 | -0.34 |
| May | 3.57 | 3.59 | -0.02 |
| Jun | 4.30 | 4.34 | -0.04 |
| Jul | 4.14 | 4.55 | -0.41 |
| Aug | 4.12 | 4.30 | -0.18 |
| Sep | 4.07 | 3.77 | 0.30 |
| Oct | 3.98 | 4.15 | -0.17 |
| Nov | 3.20 | 3.43 | -0.23 |
| Dec | 3.33 | 3.95 | -0.62 |
41.80 | 44.24 | -2.44 |