| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.30 | 5.25 | 0.05 |
| Feb | 5.30 | 5.24 | 0.06 |
| Mar | 5.32 | 5.30 | 0.02 |
| Apr | 5.24 | 5.11 | 0.13 |
| May | 4.66 | 4.66 | 0.00 |
| Jun | 4.35 | 4.34 | 0.01 |
| Jul | 4.94 | 4.75 | 0.19 |
| Aug | 3.73 | 3.92 | -0.19 |
| Sep | 3.72 | 3.93 | -0.21 |
| Oct | 3.73 | 3.61 | 0.12 |
| Nov | 4.36 | 4.33 | 0.03 |
| Dec | 6.04 | 6.07 | -0.03 |
56.69 | 56.51 | 0.18 |