| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 1.22 | -0.16 |
| Feb | 0.98 | 1.05 | -0.07 |
| Mar | 1.34 | 1.52 | -0.18 |
| Apr | 2.44 | 2.60 | -0.16 |
| May | 3.03 | 3.24 | -0.21 |
| Jun | 4.07 | 3.91 | 0.16 |
| Jul | 3.40 | 3.34 | 0.06 |
| Aug | 3.03 | 3.04 | -0.01 |
| Sep | 3.20 | 3.18 | 0.02 |
| Oct | 3.02 | 3.34 | -0.32 |
| Nov | 1.96 | 2.20 | -0.24 |
| Dec | 1.61 | 1.74 | -0.13 |
29.14 | 30.38 | -1.24 |