| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.65 | 5.94 | -0.29 |
| Feb | 4.17 | 4.43 | -0.26 |
| Mar | 4.08 | 4.42 | -0.34 |
| Apr | 2.89 | 3.30 | -0.41 |
| May | 2.13 | 2.33 | -0.20 |
| Jun | 1.40 | 1.55 | -0.15 |
| Jul | 0.37 | 0.42 | -0.05 |
| Aug | 0.52 | 0.49 | 0.03 |
| Sep | 1.37 | 1.43 | -0.06 |
| Oct | 3.27 | 3.63 | -0.36 |
| Nov | 5.78 | 6.23 | -0.45 |
| Dec | 6.73 | 7.19 | -0.46 |
38.36 | 41.36 | -3.00 |