| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.48 | -0.14 |
| Feb | 3.34 | 3.37 | -0.03 |
| Mar | 4.50 | 4.36 | 0.14 |
| Apr | 5.24 | 5.23 | 0.01 |
| May | 5.12 | 5.39 | -0.27 |
| Jun | 4.08 | 4.02 | 0.06 |
| Jul | 4.01 | 3.96 | 0.05 |
| Aug | 3.19 | 3.13 | 0.06 |
| Sep | 3.26 | 3.21 | 0.05 |
| Oct | 3.67 | 3.67 | 0.00 |
| Nov | 4.33 | 4.31 | 0.02 |
| Dec | 3.58 | 3.66 | -0.08 |
47.66 | 47.79 | -0.13 |