| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.76 | -0.38 |
| Feb | 2.98 | 3.26 | -0.28 |
| Mar | 4.24 | 4.44 | -0.20 |
| Apr | 3.86 | 4.12 | -0.26 |
| May | 3.38 | 3.44 | -0.06 |
| Jun | 3.90 | 3.93 | -0.03 |
| Jul | 3.34 | 3.25 | 0.09 |
| Aug | 3.86 | 3.94 | -0.08 |
| Sep | 3.82 | 3.79 | 0.03 |
| Oct | 3.97 | 4.33 | -0.36 |
| Nov | 3.38 | 3.50 | -0.12 |
| Dec | 4.34 | 4.67 | -0.33 |
44.45 | 46.43 | -1.98 |