| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.52 | -0.16 |
| Feb | 3.02 | 3.06 | -0.04 |
| Mar | 3.45 | 3.60 | -0.15 |
| Apr | 3.36 | 3.41 | -0.05 |
| May | 3.51 | 3.47 | 0.04 |
| Jun | 4.88 | 4.73 | 0.15 |
| Jul | 5.28 | 5.00 | 0.28 |
| Aug | 4.83 | 5.19 | -0.36 |
| Sep | 5.32 | 5.46 | -0.14 |
| Oct | 3.25 | 3.31 | -0.06 |
| Nov | 3.25 | 3.35 | -0.10 |
| Dec | 3.43 | 3.44 | -0.01 |
46.94 | 47.54 | -0.60 |