| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.63 | -0.39 |
| Feb | 2.87 | 3.07 | -0.20 |
| Mar | 4.11 | 4.20 | -0.09 |
| Apr | 3.72 | 3.93 | -0.21 |
| May | 3.35 | 3.32 | 0.03 |
| Jun | 3.91 | 3.80 | 0.11 |
| Jul | 3.42 | 3.15 | 0.27 |
| Aug | 4.02 | 3.84 | 0.18 |
| Sep | 3.78 | 3.67 | 0.11 |
| Oct | 3.85 | 4.08 | -0.23 |
| Nov | 3.24 | 3.29 | -0.05 |
| Dec | 4.18 | 4.44 | -0.26 |
43.69 | 44.42 | -0.73 |