| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.70 | -0.20 |
| Feb | 3.17 | 3.24 | -0.07 |
| Mar | 4.09 | 4.20 | -0.11 |
| Apr | 4.21 | 4.26 | -0.05 |
| May | 3.78 | 3.77 | 0.01 |
| Jun | 4.51 | 4.39 | 0.12 |
| Jul | 4.25 | 4.22 | 0.03 |
| Aug | 4.23 | 4.29 | -0.06 |
| Sep | 4.57 | 4.42 | 0.15 |
| Oct | 5.22 | 5.25 | -0.03 |
| Nov | 3.89 | 3.98 | -0.09 |
| Dec | 4.44 | 4.62 | -0.18 |
49.86 | 50.34 | -0.48 |