| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.20 | -0.27 |
| Feb | 2.86 | 3.06 | -0.20 |
| Mar | 4.43 | 4.67 | -0.24 |
| Apr | 4.99 | 5.36 | -0.37 |
| May | 5.02 | 5.75 | -0.73 |
| Jun | 4.04 | 4.03 | 0.01 |
| Jul | 3.65 | 3.93 | -0.28 |
| Aug | 3.34 | 3.66 | -0.32 |
| Sep | 4.18 | 4.24 | -0.06 |
| Oct | 4.16 | 4.28 | -0.12 |
| Nov | 4.21 | 4.57 | -0.36 |
| Dec | 3.31 | 3.61 | -0.30 |
47.12 | 50.36 | -3.24 |