| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.73 | -0.31 |
| Feb | 3.09 | 3.31 | -0.22 |
| Mar | 4.33 | 4.65 | -0.32 |
| Apr | 3.87 | 4.01 | -0.14 |
| May | 3.28 | 3.42 | -0.14 |
| Jun | 3.83 | 3.70 | 0.13 |
| Jul | 3.06 | 2.93 | 0.13 |
| Aug | 3.65 | 4.00 | -0.35 |
| Sep | 3.79 | 4.03 | -0.24 |
| Oct | 4.35 | 4.42 | -0.07 |
| Nov | 3.60 | 3.57 | 0.03 |
| Dec | 4.44 | 4.43 | 0.01 |
44.71 | 46.20 | -1.49 |