| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.37 | 5.31 | 0.06 |
| Feb | 5.41 | 5.36 | 0.05 |
| Mar | 5.65 | 5.63 | 0.02 |
| Apr | 5.13 | 5.26 | -0.13 |
| May | 4.48 | 4.73 | -0.25 |
| Jun | 4.92 | 4.93 | -0.01 |
| Jul | 4.74 | 4.79 | -0.05 |
| Aug | 4.30 | 4.27 | 0.03 |
| Sep | 4.11 | 4.23 | -0.12 |
| Oct | 3.59 | 3.60 | -0.01 |
| Nov | 4.22 | 4.47 | -0.25 |
| Dec | 5.39 | 5.36 | 0.03 |
57.31 | 57.94 | -0.63 |