| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.80 | -0.24 |
| Feb | 4.07 | 4.23 | -0.16 |
| Mar | 4.65 | 5.02 | -0.37 |
| Apr | 5.08 | 5.25 | -0.17 |
| May | 5.24 | 5.10 | 0.14 |
| Jun | 4.05 | 3.70 | 0.35 |
| Jul | 3.79 | 3.68 | 0.11 |
| Aug | 3.12 | 2.98 | 0.14 |
| Sep | 2.83 | 2.95 | -0.12 |
| Oct | 3.71 | 4.00 | -0.29 |
| Nov | 4.27 | 4.43 | -0.16 |
| Dec | 4.73 | 4.94 | -0.21 |
49.10 | 50.08 | -0.98 |