| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.16 | 1.24 | -0.08 |
| Feb | 1.50 | 1.62 | -0.12 |
| Mar | 2.38 | 2.49 | -0.11 |
| Apr | 3.94 | 4.01 | -0.07 |
| May | 5.36 | 5.42 | -0.06 |
| Jun | 5.14 | 5.31 | -0.17 |
| Jul | 4.34 | 4.38 | -0.04 |
| Aug | 4.34 | 4.26 | 0.08 |
| Sep | 3.86 | 4.17 | -0.31 |
| Oct | 3.19 | 3.27 | -0.08 |
| Nov | 2.16 | 2.22 | -0.06 |
| Dec | 1.61 | 1.71 | -0.10 |
38.98 | 40.10 | -1.12 |