| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.26 | 0.02 |
| Feb | 3.25 | 3.31 | -0.06 |
| Mar | 4.20 | 4.26 | -0.06 |
| Apr | 4.17 | 4.28 | -0.11 |
| May | 4.86 | 4.92 | -0.06 |
| Jun | 4.21 | 4.58 | -0.37 |
| Jul | 5.18 | 5.25 | -0.07 |
| Aug | 3.75 | 3.84 | -0.09 |
| Sep | 3.47 | 3.50 | -0.03 |
| Oct | 2.91 | 3.00 | -0.09 |
| Nov | 2.91 | 2.98 | -0.07 |
| Dec | 3.87 | 3.94 | -0.07 |
46.06 | 47.12 | -1.06 |