| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.39 | 0.05 |
| Feb | 2.59 | 2.73 | -0.14 |
| Mar | 3.70 | 3.87 | -0.17 |
| Apr | 3.72 | 3.81 | -0.09 |
| May | 3.87 | 3.93 | -0.06 |
| Jun | 4.47 | 4.70 | -0.23 |
| Jul | 4.83 | 5.05 | -0.22 |
| Aug | 4.60 | 4.63 | -0.03 |
| Sep | 4.81 | 4.85 | -0.04 |
| Oct | 4.27 | 4.35 | -0.08 |
| Nov | 3.26 | 3.29 | -0.03 |
| Dec | 3.75 | 3.98 | -0.23 |
47.31 | 48.58 | -1.27 |