| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.38 | 4.62 | -0.24 |
| Feb | 2.82 | 3.05 | -0.23 |
| Mar | 3.19 | 3.28 | -0.09 |
| Apr | 3.62 | 4.24 | -0.62 |
| May | 4.66 | 4.92 | -0.26 |
| Jun | 5.41 | 5.75 | -0.34 |
| Jul | 4.31 | 4.38 | -0.07 |
| Aug | 5.30 | 5.97 | -0.67 |
| Sep | 5.93 | 6.74 | -0.81 |
| Oct | 5.13 | 5.40 | -0.27 |
| Nov | 4.19 | 4.81 | -0.62 |
| Dec | 4.28 | 4.51 | -0.23 |
53.22 | 57.67 | -4.45 |