| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.52 | -0.24 |
| Feb | 2.29 | 2.37 | -0.08 |
| Mar | 3.51 | 3.75 | -0.24 |
| Apr | 4.46 | 4.73 | -0.27 |
| May | 5.17 | 5.36 | -0.19 |
| Jun | 4.15 | 4.56 | -0.41 |
| Jul | 4.19 | 4.22 | -0.03 |
| Aug | 4.09 | 4.12 | -0.03 |
| Sep | 3.89 | 4.04 | -0.15 |
| Oct | 3.22 | 3.30 | -0.08 |
| Nov | 3.47 | 3.63 | -0.16 |
| Dec | 2.49 | 2.63 | -0.14 |
43.21 | 45.23 | -2.02 |