| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.68 | -0.05 |
| Feb | 3.00 | 3.06 | -0.06 |
| Mar | 3.92 | 4.04 | -0.12 |
| Apr | 3.69 | 3.78 | -0.09 |
| May | 3.64 | 3.50 | 0.14 |
| Jun | 4.12 | 4.29 | -0.17 |
| Jul | 4.47 | 4.41 | 0.06 |
| Aug | 4.03 | 4.37 | -0.34 |
| Sep | 4.36 | 4.42 | -0.06 |
| Oct | 3.28 | 3.32 | -0.04 |
| Nov | 3.32 | 3.37 | -0.05 |
| Dec | 3.55 | 3.58 | -0.03 |
45.01 | 45.82 | -0.81 |