| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 2.99 | 0.03 |
| Feb | 2.40 | 2.53 | -0.13 |
| Mar | 2.60 | 2.81 | -0.21 |
| Apr | 3.20 | 3.38 | -0.18 |
| May | 3.20 | 3.39 | -0.19 |
| Jun | 3.42 | 3.57 | -0.15 |
| Jul | 3.44 | 3.40 | 0.04 |
| Aug | 3.44 | 3.81 | -0.37 |
| Sep | 3.44 | 3.51 | -0.07 |
| Oct | 3.88 | 4.22 | -0.34 |
| Nov | 3.38 | 3.64 | -0.26 |
| Dec | 3.22 | 3.48 | -0.26 |
38.64 | 40.73 | -2.09 |