| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.53 | -0.02 |
| Feb | 2.94 | 2.82 | 0.12 |
| Mar | 3.98 | 4.00 | -0.02 |
| Apr | 3.45 | 3.48 | -0.03 |
| May | 3.44 | 3.45 | -0.01 |
| Jun | 4.31 | 4.54 | -0.23 |
| Jul | 5.03 | 4.92 | 0.11 |
| Aug | 4.90 | 5.02 | -0.12 |
| Sep | 5.20 | 5.49 | -0.29 |
| Oct | 3.38 | 3.38 | 0.00 |
| Nov | 3.18 | 3.14 | 0.04 |
| Dec | 3.28 | 3.32 | -0.04 |
46.60 | 47.09 | -0.49 |