| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.56 | 6.27 | 0.29 |
| Feb | 4.81 | 4.77 | 0.04 |
| Mar | 5.10 | 4.76 | 0.34 |
| Apr | 3.42 | 3.24 | 0.18 |
| May | 2.48 | 2.29 | 0.19 |
| Jun | 1.44 | 1.35 | 0.09 |
| Jul | 0.38 | 0.32 | 0.06 |
| Aug | 0.42 | 0.37 | 0.05 |
| Sep | 1.48 | 1.40 | 0.08 |
| Oct | 3.58 | 3.42 | 0.16 |
| Nov | 6.46 | 6.22 | 0.24 |
| Dec | 7.46 | 7.53 | -0.07 |
43.59 | 41.94 | 1.65 |