| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.35 | 1.39 | -0.04 |
| Feb | 1.73 | 1.75 | -0.02 |
| Mar | 2.63 | 2.71 | -0.08 |
| Apr | 3.93 | 3.92 | 0.01 |
| May | 5.25 | 5.23 | 0.02 |
| Jun | 5.27 | 5.41 | -0.14 |
| Jul | 4.61 | 4.71 | -0.10 |
| Aug | 4.01 | 3.98 | 0.03 |
| Sep | 3.96 | 4.01 | -0.05 |
| Oct | 3.22 | 3.15 | 0.07 |
| Nov | 2.39 | 2.31 | 0.08 |
| Dec | 1.65 | 1.65 | 0.00 |
40.00 | 40.22 | -0.22 |