| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.78 | 7.15 | 0.63 |
| Feb | 5.85 | 5.26 | 0.59 |
| Mar | 5.86 | 5.03 | 0.83 |
| Apr | 3.80 | 3.34 | 0.46 |
| May | 2.15 | 2.13 | 0.02 |
| Jun | 1.15 | 1.27 | -0.12 |
| Jul | 0.28 | 0.28 | 0.00 |
| Aug | 0.37 | 0.34 | 0.03 |
| Sep | 1.34 | 1.42 | -0.08 |
| Oct | 3.77 | 3.48 | 0.29 |
| Nov | 7.32 | 6.66 | 0.66 |
| Dec | 9.32 | 8.01 | 1.31 |
48.99 | 44.37 | 4.62 |