| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.46 | 2.94 | -0.48 |
| Feb | 1.97 | 2.29 | -0.32 |
| Mar | 2.20 | 2.45 | -0.25 |
| Apr | 3.69 | 3.81 | -0.12 |
| May | 3.78 | 4.08 | -0.30 |
| Jun | 3.57 | 3.66 | -0.09 |
| Jul | 3.20 | 3.22 | -0.02 |
| Aug | 3.27 | 3.43 | -0.16 |
| Sep | 3.14 | 3.26 | -0.12 |
| Oct | 3.90 | 4.01 | -0.11 |
| Nov | 2.99 | 3.28 | -0.29 |
| Dec | 2.46 | 2.82 | -0.36 |
36.63 | 39.25 | -2.62 |