| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.65 | -0.16 |
| Feb | 3.21 | 3.26 | -0.05 |
| Mar | 3.59 | 3.95 | -0.36 |
| Apr | 3.19 | 3.54 | -0.35 |
| May | 3.87 | 3.44 | 0.43 |
| Jun | 5.13 | 5.02 | 0.11 |
| Jul | 6.01 | 6.20 | -0.19 |
| Aug | 6.32 | 6.57 | -0.25 |
| Sep | 6.19 | 7.11 | -0.92 |
| Oct | 4.24 | 4.89 | -0.65 |
| Nov | 3.18 | 3.03 | 0.15 |
| Dec | 3.88 | 3.87 | 0.01 |
52.30 | 54.53 | -2.23 |