| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.56 | 7.50 | 0.06 |
| Feb | 5.55 | 5.80 | -0.25 |
| Mar | 5.36 | 5.28 | 0.08 |
| Apr | 3.69 | 3.69 | 0.00 |
| May | 2.09 | 2.21 | -0.12 |
| Jun | 1.16 | 1.32 | -0.16 |
| Jul | 0.24 | 0.29 | -0.05 |
| Aug | 0.39 | 0.41 | -0.02 |
| Sep | 1.35 | 1.34 | 0.01 |
| Oct | 3.76 | 3.65 | 0.11 |
| Nov | 7.12 | 6.98 | 0.14 |
| Dec | 9.16 | 9.12 | 0.04 |
47.43 | 47.59 | -0.16 |