| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.64 | 0.04 |
| Feb | 0.66 | 0.67 | -0.01 |
| Mar | 1.32 | 1.28 | 0.04 |
| Apr | 2.39 | 2.37 | 0.02 |
| May | 3.31 | 3.24 | 0.07 |
| Jun | 4.39 | 4.37 | 0.02 |
| Jul | 4.37 | 4.20 | 0.17 |
| Aug | 3.66 | 3.58 | 0.08 |
| Sep | 2.91 | 2.86 | 0.05 |
| Oct | 2.60 | 2.56 | 0.04 |
| Nov | 1.17 | 1.13 | 0.04 |
| Dec | 0.81 | 0.83 | -0.02 |
28.27 | 27.73 | 0.54 |