| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.51 | 0.03 |
| Feb | 3.05 | 3.07 | -0.02 |
| Mar | 3.69 | 3.75 | -0.06 |
| Apr | 3.45 | 3.54 | -0.09 |
| May | 3.73 | 3.67 | 0.06 |
| Jun | 4.62 | 4.45 | 0.17 |
| Jul | 5.32 | 5.39 | -0.07 |
| Aug | 5.16 | 5.36 | -0.20 |
| Sep | 5.58 | 5.50 | 0.08 |
| Oct | 3.23 | 3.35 | -0.12 |
| Nov | 3.30 | 3.33 | -0.03 |
| Dec | 3.38 | 3.37 | 0.01 |
48.05 | 48.29 | -0.24 |