| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.42 | 6.89 | -0.47 |
| Feb | 4.84 | 5.13 | -0.29 |
| Mar | 4.49 | 4.84 | -0.35 |
| Apr | 3.20 | 3.37 | -0.17 |
| May | 1.99 | 2.14 | -0.15 |
| Jun | 1.15 | 1.25 | -0.10 |
| Jul | 0.25 | 0.28 | -0.03 |
| Aug | 0.43 | 0.42 | 0.01 |
| Sep | 1.26 | 1.41 | -0.15 |
| Oct | 3.39 | 3.63 | -0.24 |
| Nov | 6.19 | 6.67 | -0.48 |
| Dec | 7.90 | 8.18 | -0.28 |
41.51 | 44.21 | -2.70 |