| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.71 | 0.00 |
| Feb | 0.80 | 0.83 | -0.03 |
| Mar | 1.47 | 1.52 | -0.05 |
| Apr | 2.67 | 2.69 | -0.02 |
| May | 3.96 | 3.98 | -0.02 |
| Jun | 4.26 | 4.24 | 0.02 |
| Jul | 4.20 | 4.18 | 0.02 |
| Aug | 3.93 | 3.95 | -0.02 |
| Sep | 3.16 | 3.12 | 0.04 |
| Oct | 2.75 | 2.79 | -0.04 |
| Nov | 1.49 | 1.52 | -0.03 |
| Dec | 0.99 | 1.04 | -0.05 |
30.39 | 30.57 | -0.18 |