| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.93 | -0.12 |
| Feb | 3.34 | 3.43 | -0.09 |
| Mar | 3.67 | 3.75 | -0.08 |
| Apr | 3.32 | 3.33 | -0.01 |
| May | 4.09 | 4.19 | -0.10 |
| Jun | 4.98 | 5.07 | -0.09 |
| Jul | 6.44 | 6.44 | 0.00 |
| Aug | 6.87 | 6.85 | 0.02 |
| Sep | 7.00 | 6.81 | 0.19 |
| Oct | 3.80 | 3.97 | -0.17 |
| Nov | 3.44 | 3.50 | -0.06 |
| Dec | 3.75 | 3.70 | 0.05 |
54.51 | 54.97 | -0.46 |