| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.39 | 8.15 | -0.76 |
| Feb | 5.59 | 5.89 | -0.30 |
| Mar | 5.16 | 5.50 | -0.34 |
| Apr | 3.64 | 3.79 | -0.15 |
| May | 2.18 | 2.32 | -0.14 |
| Jun | 1.23 | 1.41 | -0.18 |
| Jul | 0.27 | 0.29 | -0.02 |
| Aug | 0.46 | 0.46 | 0.00 |
| Sep | 1.36 | 1.47 | -0.11 |
| Oct | 3.78 | 4.14 | -0.36 |
| Nov | 7.04 | 7.69 | -0.65 |
| Dec | 9.00 | 9.47 | -0.47 |
47.10 | 50.58 | -3.48 |