| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.02 | 0.09 |
| Feb | 3.36 | 3.40 | -0.04 |
| Mar | 4.11 | 4.16 | -0.05 |
| Apr | 4.15 | 4.09 | 0.06 |
| May | 3.87 | 3.92 | -0.05 |
| Jun | 4.03 | 3.98 | 0.05 |
| Jul | 3.62 | 3.37 | 0.25 |
| Aug | 3.28 | 3.29 | -0.01 |
| Sep | 3.86 | 3.68 | 0.18 |
| Oct | 5.27 | 5.32 | -0.05 |
| Nov | 4.92 | 4.95 | -0.03 |
| Dec | 5.04 | 5.07 | -0.03 |
49.62 | 49.25 | 0.37 |