| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.21 | -0.19 |
| Feb | 1.23 | 1.41 | -0.18 |
| Mar | 1.98 | 2.15 | -0.17 |
| Apr | 3.82 | 3.85 | -0.03 |
| May | 4.47 | 4.62 | -0.15 |
| Jun | 5.62 | 5.69 | -0.07 |
| Jul | 4.34 | 4.38 | -0.04 |
| Aug | 4.26 | 4.19 | 0.07 |
| Sep | 3.63 | 3.86 | -0.23 |
| Oct | 2.92 | 2.97 | -0.05 |
| Nov | 2.15 | 2.19 | -0.04 |
| Dec | 1.55 | 1.66 | -0.11 |
36.99 | 38.18 | -1.19 |