| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.07 | 5.14 | -0.07 |
| Feb | 5.02 | 5.24 | -0.22 |
| Mar | 5.30 | 5.21 | 0.09 |
| Apr | 4.65 | 4.44 | 0.21 |
| May | 3.85 | 3.96 | -0.11 |
| Jun | 4.81 | 4.71 | 0.10 |
| Jul | 4.86 | 4.95 | -0.09 |
| Aug | 4.21 | 4.17 | 0.04 |
| Sep | 3.37 | 3.46 | -0.09 |
| Oct | 3.31 | 3.20 | 0.11 |
| Nov | 4.24 | 4.23 | 0.01 |
| Dec | 5.36 | 5.17 | 0.19 |
54.05 | 53.88 | 0.17 |