| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 4.86 | 0.16 |
| Feb | 4.98 | 5.03 | -0.05 |
| Mar | 5.20 | 5.11 | 0.09 |
| Apr | 4.33 | 4.34 | -0.01 |
| May | 3.86 | 3.98 | -0.12 |
| Jun | 4.36 | 4.23 | 0.13 |
| Jul | 4.96 | 4.91 | 0.05 |
| Aug | 3.98 | 4.01 | -0.03 |
| Sep | 3.92 | 3.86 | 0.06 |
| Oct | 3.53 | 3.36 | 0.17 |
| Nov | 4.38 | 4.29 | 0.09 |
| Dec | 4.83 | 4.86 | -0.03 |
53.35 | 52.84 | 0.51 |