| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.50 | -0.19 |
| Feb | 2.84 | 3.09 | -0.25 |
| Mar | 3.26 | 3.37 | -0.11 |
| Apr | 3.76 | 4.20 | -0.44 |
| May | 4.98 | 4.91 | 0.07 |
| Jun | 5.35 | 5.38 | -0.03 |
| Jul | 4.31 | 4.29 | 0.02 |
| Aug | 5.23 | 5.60 | -0.37 |
| Sep | 5.85 | 5.94 | -0.09 |
| Oct | 5.12 | 5.47 | -0.35 |
| Nov | 4.17 | 4.70 | -0.53 |
| Dec | 4.28 | 4.49 | -0.21 |
53.46 | 55.94 | -2.48 |