| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.80 | -0.06 |
| Feb | 1.59 | 1.58 | 0.01 |
| Mar | 1.78 | 1.77 | 0.01 |
| Apr | 3.20 | 3.12 | 0.08 |
| May | 3.21 | 3.26 | -0.05 |
| Jun | 3.31 | 3.35 | -0.04 |
| Jul | 3.39 | 3.13 | 0.26 |
| Aug | 3.24 | 3.19 | 0.05 |
| Sep | 2.76 | 2.71 | 0.05 |
| Oct | 2.97 | 3.04 | -0.07 |
| Nov | 2.40 | 2.37 | 0.03 |
| Dec | 1.92 | 1.90 | 0.02 |
31.51 | 31.22 | 0.29 |