| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.44 | -0.20 |
| Feb | 2.64 | 2.99 | -0.35 |
| Mar | 3.34 | 3.66 | -0.32 |
| Apr | 3.47 | 3.61 | -0.14 |
| May | 3.81 | 3.96 | -0.15 |
| Jun | 4.53 | 4.82 | -0.29 |
| Jul | 4.31 | 4.52 | -0.21 |
| Aug | 4.38 | 4.61 | -0.23 |
| Sep | 4.60 | 4.76 | -0.16 |
| Oct | 4.37 | 4.76 | -0.39 |
| Nov | 3.43 | 3.65 | -0.22 |
| Dec | 3.74 | 4.26 | -0.52 |
45.86 | 49.04 | -3.18 |