| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.82 | -0.10 |
| Feb | 0.76 | 0.87 | -0.11 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.93 | 2.87 | 0.06 |
| May | 4.16 | 4.22 | -0.06 |
| Jun | 4.77 | 4.48 | 0.29 |
| Jul | 3.98 | 4.03 | -0.05 |
| Aug | 4.22 | 4.36 | -0.14 |
| Sep | 3.37 | 3.20 | 0.17 |
| Oct | 2.56 | 2.51 | 0.05 |
| Nov | 1.48 | 1.51 | -0.03 |
| Dec | 1.06 | 1.18 | -0.12 |
31.52 | 31.56 | -0.04 |