| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.51 | 4.50 | 0.01 |
| Feb | 4.94 | 4.85 | 0.09 |
| Mar | 5.05 | 4.96 | 0.09 |
| Apr | 4.62 | 4.73 | -0.11 |
| May | 4.78 | 4.98 | -0.20 |
| Jun | 4.73 | 4.99 | -0.26 |
| Jul | 4.84 | 5.11 | -0.27 |
| Aug | 3.91 | 4.02 | -0.11 |
| Sep | 3.62 | 3.62 | 0.00 |
| Oct | 3.38 | 3.41 | -0.03 |
| Nov | 3.81 | 3.72 | 0.09 |
| Dec | 5.29 | 5.23 | 0.06 |
53.48 | 54.12 | -0.64 |