| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.93 | -0.02 |
| Feb | 0.87 | 0.93 | -0.06 |
| Mar | 1.36 | 1.39 | -0.03 |
| Apr | 2.39 | 2.34 | 0.05 |
| May | 3.24 | 3.36 | -0.12 |
| Jun | 4.51 | 4.52 | -0.01 |
| Jul | 4.14 | 4.11 | 0.03 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 3.22 | 3.42 | -0.20 |
| Oct | 2.96 | 3.03 | -0.07 |
| Nov | 1.66 | 1.72 | -0.06 |
| Dec | 1.27 | 1.44 | -0.17 |
30.21 | 31.00 | -0.79 |