| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.40 | 0.01 |
| Feb | 3.07 | 3.07 | 0.00 |
| Mar | 3.73 | 3.72 | 0.01 |
| Apr | 3.92 | 3.98 | -0.06 |
| May | 3.80 | 3.98 | -0.18 |
| Jun | 4.48 | 4.58 | -0.10 |
| Jul | 4.36 | 4.43 | -0.07 |
| Aug | 3.95 | 4.19 | -0.24 |
| Sep | 3.87 | 3.96 | -0.09 |
| Oct | 5.31 | 5.32 | -0.01 |
| Nov | 3.87 | 3.92 | -0.05 |
| Dec | 4.23 | 4.42 | -0.19 |
48.00 | 48.97 | -0.97 |