| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.63 | 0.01 |
| Feb | 3.68 | 3.79 | -0.11 |
| Mar | 4.75 | 4.72 | 0.03 |
| Apr | 4.67 | 4.62 | 0.05 |
| May | 5.24 | 5.37 | -0.13 |
| Jun | 5.06 | 5.19 | -0.13 |
| Jul | 4.83 | 4.64 | 0.19 |
| Aug | 3.44 | 3.28 | 0.16 |
| Sep | 3.81 | 3.83 | -0.02 |
| Oct | 3.70 | 3.36 | 0.34 |
| Nov | 3.37 | 3.36 | 0.01 |
| Dec | 4.29 | 4.42 | -0.13 |
50.48 | 50.21 | 0.27 |