| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.33 | 5.27 | 0.06 |
| Feb | 5.30 | 5.25 | 0.05 |
| Mar | 5.34 | 5.31 | 0.03 |
| Apr | 5.26 | 5.11 | 0.15 |
| May | 4.67 | 4.61 | 0.06 |
| Jun | 4.39 | 4.34 | 0.05 |
| Jul | 5.01 | 4.75 | 0.26 |
| Aug | 3.75 | 3.94 | -0.19 |
| Sep | 3.72 | 3.93 | -0.21 |
| Oct | 3.72 | 3.57 | 0.15 |
| Nov | 4.40 | 4.36 | 0.04 |
| Dec | 6.04 | 6.07 | -0.03 |
56.93 | 56.51 | 0.42 |