| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.50 | -0.11 |
| Feb | 3.05 | 3.22 | -0.17 |
| Mar | 3.84 | 3.79 | 0.05 |
| Apr | 3.92 | 4.03 | -0.11 |
| May | 4.14 | 3.95 | 0.19 |
| Jun | 4.28 | 4.54 | -0.26 |
| Jul | 4.29 | 4.29 | 0.00 |
| Aug | 3.84 | 4.15 | -0.31 |
| Sep | 3.93 | 3.83 | 0.10 |
| Oct | 3.32 | 3.35 | -0.03 |
| Nov | 3.23 | 3.32 | -0.09 |
| Dec | 3.52 | 3.72 | -0.20 |
44.75 | 45.69 | -0.94 |