| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.66 | -0.18 |
| Feb | 3.21 | 3.19 | 0.02 |
| Mar | 3.56 | 3.70 | -0.14 |
| Apr | 2.94 | 3.03 | -0.09 |
| May | 3.18 | 3.26 | -0.08 |
| Jun | 4.07 | 4.24 | -0.17 |
| Jul | 4.21 | 4.48 | -0.27 |
| Aug | 4.70 | 4.75 | -0.05 |
| Sep | 3.94 | 4.03 | -0.09 |
| Oct | 3.23 | 3.32 | -0.09 |
| Nov | 2.92 | 2.94 | -0.02 |
| Dec | 3.60 | 3.77 | -0.17 |
43.04 | 44.37 | -1.33 |