| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.99 | -0.02 |
| Feb | 1.31 | 1.37 | -0.06 |
| Mar | 2.08 | 2.12 | -0.04 |
| Apr | 3.96 | 3.88 | 0.08 |
| May | 5.26 | 5.29 | -0.03 |
| Jun | 4.95 | 5.12 | -0.17 |
| Jul | 4.29 | 4.32 | -0.03 |
| Aug | 4.24 | 4.26 | -0.02 |
| Sep | 3.61 | 3.67 | -0.06 |
| Oct | 2.83 | 2.77 | 0.06 |
| Nov | 2.00 | 1.98 | 0.02 |
| Dec | 1.41 | 1.42 | -0.01 |
36.91 | 37.19 | -0.28 |