| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.44 | -0.07 |
| Feb | 3.24 | 3.27 | -0.03 |
| Mar | 3.54 | 3.59 | -0.05 |
| Apr | 3.44 | 3.49 | -0.05 |
| May | 3.30 | 3.16 | 0.14 |
| Jun | 5.45 | 5.54 | -0.09 |
| Jul | 6.35 | 6.55 | -0.20 |
| Aug | 6.71 | 6.93 | -0.22 |
| Sep | 5.61 | 6.76 | -1.15 |
| Oct | 4.82 | 4.98 | -0.16 |
| Nov | 3.08 | 2.96 | 0.12 |
| Dec | 3.54 | 3.80 | -0.26 |
52.45 | 54.47 | -2.02 |