| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.76 | -0.22 |
| Feb | 3.16 | 3.32 | -0.16 |
| Mar | 4.44 | 4.50 | -0.06 |
| Apr | 4.12 | 4.26 | -0.14 |
| May | 3.53 | 3.54 | -0.01 |
| Jun | 4.04 | 3.94 | 0.10 |
| Jul | 3.34 | 3.31 | 0.03 |
| Aug | 3.78 | 4.02 | -0.24 |
| Sep | 3.89 | 3.93 | -0.04 |
| Oct | 4.32 | 4.38 | -0.06 |
| Nov | 3.56 | 3.56 | 0.00 |
| Dec | 4.59 | 4.75 | -0.16 |
46.31 | 47.27 | -0.96 |