| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.69 | -0.01 |
| Feb | 0.71 | 0.73 | -0.02 |
| Mar | 1.34 | 1.35 | -0.01 |
| Apr | 2.29 | 2.36 | -0.07 |
| May | 3.50 | 3.46 | 0.04 |
| Jun | 4.39 | 4.41 | -0.02 |
| Jul | 4.40 | 4.29 | 0.11 |
| Aug | 3.64 | 3.62 | 0.02 |
| Sep | 3.02 | 2.88 | 0.14 |
| Oct | 2.75 | 2.75 | 0.00 |
| Nov | 1.30 | 1.31 | -0.01 |
| Dec | 0.91 | 0.94 | -0.03 |
28.93 | 28.79 | 0.14 |