| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 3.04 | -0.20 |
| Feb | 2.26 | 2.53 | -0.27 |
| Mar | 2.77 | 3.08 | -0.31 |
| Apr | 3.22 | 3.57 | -0.35 |
| May | 3.57 | 3.57 | 0.00 |
| Jun | 4.30 | 4.31 | -0.01 |
| Jul | 4.14 | 4.55 | -0.41 |
| Aug | 4.12 | 4.29 | -0.17 |
| Sep | 4.07 | 3.74 | 0.33 |
| Oct | 3.98 | 4.16 | -0.18 |
| Nov | 3.20 | 3.45 | -0.25 |
| Dec | 3.33 | 3.96 | -0.63 |
41.80 | 44.25 | -2.45 |