| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.73 | 5.02 | -0.29 |
| Feb | 5.06 | 5.08 | -0.02 |
| Mar | 5.07 | 5.34 | -0.27 |
| Apr | 4.57 | 4.75 | -0.18 |
| May | 3.55 | 3.76 | -0.21 |
| Jun | 5.41 | 6.26 | -0.85 |
| Jul | 6.78 | 7.10 | -0.32 |
| Aug | 6.40 | 6.37 | 0.03 |
| Sep | 5.36 | 5.61 | -0.25 |
| Oct | 3.23 | 3.45 | -0.22 |
| Nov | 3.91 | 4.04 | -0.13 |
| Dec | 4.92 | 5.06 | -0.14 |
58.99 | 61.84 | -2.85 |