| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.00 | 7.73 | -0.73 |
| Feb | 4.57 | 5.15 | -0.58 |
| Mar | 5.17 | 5.71 | -0.54 |
| Apr | 3.55 | 3.86 | -0.31 |
| May | 2.19 | 2.33 | -0.14 |
| Jun | 1.45 | 1.63 | -0.18 |
| Jul | 0.59 | 0.57 | 0.02 |
| Aug | 0.92 | 0.97 | -0.05 |
| Sep | 1.83 | 1.99 | -0.16 |
| Oct | 4.57 | 4.86 | -0.29 |
| Nov | 7.38 | 8.24 | -0.86 |
| Dec | 7.19 | 7.78 | -0.59 |
46.41 | 50.82 | -4.41 |