| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.07 | 5.27 | -0.20 |
| Feb | 4.84 | 4.76 | 0.08 |
| Mar | 5.36 | 5.41 | -0.05 |
| Apr | 4.96 | 5.60 | -0.64 |
| May | 4.64 | 5.17 | -0.53 |
| Jun | 5.67 | 5.80 | -0.13 |
| Jul | 5.24 | 6.15 | -0.91 |
| Aug | 4.26 | 4.35 | -0.09 |
| Sep | 4.11 | 4.34 | -0.23 |
| Oct | 3.45 | 3.20 | 0.25 |
| Nov | 4.47 | 4.39 | 0.08 |
| Dec | 5.27 | 5.39 | -0.12 |
57.34 | 59.83 | -2.49 |