| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.05 | 5.13 | -0.08 |
| Feb | 4.98 | 5.20 | -0.22 |
| Mar | 5.26 | 5.16 | 0.10 |
| Apr | 4.62 | 4.44 | 0.18 |
| May | 3.83 | 3.94 | -0.11 |
| Jun | 4.74 | 4.69 | 0.05 |
| Jul | 4.84 | 4.89 | -0.05 |
| Aug | 4.20 | 4.18 | 0.02 |
| Sep | 3.35 | 3.45 | -0.10 |
| Oct | 3.31 | 3.17 | 0.14 |
| Nov | 4.20 | 4.20 | 0.00 |
| Dec | 5.34 | 5.18 | 0.16 |
53.72 | 53.63 | 0.09 |