| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.03 | 1.01 | 0.02 |
| Feb | 1.30 | 1.31 | -0.01 |
| Mar | 2.23 | 2.08 | 0.15 |
| Apr | 3.88 | 3.91 | -0.03 |
| May | 5.24 | 5.44 | -0.20 |
| Jun | 5.16 | 5.29 | -0.13 |
| Jul | 4.69 | 4.62 | 0.07 |
| Aug | 4.22 | 4.25 | -0.03 |
| Sep | 4.00 | 3.51 | 0.49 |
| Oct | 3.00 | 3.04 | -0.04 |
| Nov | 2.16 | 1.93 | 0.23 |
| Dec | 1.49 | 1.48 | 0.01 |
38.40 | 37.87 | 0.53 |