| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.68 | 0.00 |
| Feb | 2.45 | 2.45 | 0.00 |
| Mar | 4.06 | 4.02 | 0.04 |
| Apr | 4.79 | 5.02 | -0.23 |
| May | 5.73 | 5.92 | -0.19 |
| Jun | 4.26 | 4.30 | -0.04 |
| Jul | 4.02 | 3.90 | 0.12 |
| Aug | 3.54 | 3.44 | 0.10 |
| Sep | 4.15 | 4.21 | -0.06 |
| Oct | 4.25 | 4.21 | 0.04 |
| Nov | 3.97 | 3.98 | -0.01 |
| Dec | 3.18 | 3.11 | 0.07 |
47.08 | 47.24 | -0.16 |