| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.00 | 5.07 | -0.07 |
| Feb | 4.98 | 5.07 | -0.09 |
| Mar | 5.38 | 5.37 | 0.01 |
| Apr | 4.49 | 4.66 | -0.17 |
| May | 3.77 | 3.80 | -0.03 |
| Jun | 4.49 | 4.75 | -0.26 |
| Jul | 5.11 | 5.04 | 0.07 |
| Aug | 4.32 | 4.34 | -0.02 |
| Sep | 3.76 | 3.55 | 0.21 |
| Oct | 3.26 | 3.24 | 0.02 |
| Nov | 4.25 | 4.08 | 0.17 |
| Dec | 5.61 | 5.54 | 0.07 |
54.42 | 54.51 | -0.09 |