| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.21 | 0.04 |
| Feb | 1.41 | 1.40 | 0.01 |
| Mar | 2.18 | 2.11 | 0.07 |
| Apr | 3.94 | 3.82 | 0.12 |
| May | 4.51 | 4.46 | 0.05 |
| Jun | 5.84 | 5.77 | 0.07 |
| Jul | 4.70 | 4.78 | -0.08 |
| Aug | 4.00 | 4.11 | -0.11 |
| Sep | 3.69 | 3.67 | 0.02 |
| Oct | 3.02 | 2.98 | 0.04 |
| Nov | 2.19 | 2.21 | -0.02 |
| Dec | 1.70 | 1.67 | 0.03 |
38.43 | 38.19 | 0.24 |