| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.07 | -0.11 |
| Feb | 0.89 | 0.98 | -0.09 |
| Mar | 1.41 | 1.44 | -0.03 |
| Apr | 2.46 | 2.55 | -0.09 |
| May | 3.19 | 3.21 | -0.02 |
| Jun | 4.29 | 4.21 | 0.08 |
| Jul | 3.96 | 3.78 | 0.18 |
| Aug | 3.57 | 3.69 | -0.12 |
| Sep | 3.24 | 3.37 | -0.13 |
| Oct | 2.93 | 3.00 | -0.07 |
| Nov | 1.76 | 1.94 | -0.18 |
| Dec | 1.32 | 1.40 | -0.08 |
29.98 | 30.64 | -0.66 |