| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.70 | -0.33 |
| Feb | 2.74 | 3.01 | -0.27 |
| Mar | 3.97 | 4.18 | -0.21 |
| Apr | 3.92 | 4.19 | -0.27 |
| May | 3.90 | 4.02 | -0.12 |
| Jun | 4.59 | 4.82 | -0.23 |
| Jul | 4.57 | 4.69 | -0.12 |
| Aug | 4.54 | 4.76 | -0.22 |
| Sep | 4.32 | 4.54 | -0.22 |
| Oct | 4.36 | 4.54 | -0.18 |
| Nov | 3.63 | 3.83 | -0.20 |
| Dec | 4.18 | 4.55 | -0.37 |
48.09 | 50.83 | -2.74 |