| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.94 | -0.03 |
| Feb | 0.87 | 0.97 | -0.10 |
| Mar | 1.37 | 1.44 | -0.07 |
| Apr | 2.46 | 2.57 | -0.11 |
| May | 3.28 | 3.40 | -0.12 |
| Jun | 4.44 | 4.52 | -0.08 |
| Jul | 4.09 | 4.18 | -0.09 |
| Aug | 3.67 | 3.83 | -0.16 |
| Sep | 3.23 | 3.37 | -0.14 |
| Oct | 2.98 | 3.10 | -0.12 |
| Nov | 1.71 | 1.85 | -0.14 |
| Dec | 1.28 | 1.50 | -0.22 |
30.29 | 31.67 | -1.38 |