| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 1.07 | -0.17 |
| Feb | 0.90 | 1.02 | -0.12 |
| Mar | 1.24 | 1.41 | -0.17 |
| Apr | 2.21 | 2.31 | -0.10 |
| May | 3.11 | 3.10 | 0.01 |
| Jun | 4.43 | 4.56 | -0.13 |
| Jul | 4.20 | 4.18 | 0.02 |
| Aug | 3.56 | 3.40 | 0.16 |
| Sep | 3.35 | 3.58 | -0.23 |
| Oct | 2.90 | 2.79 | 0.11 |
| Nov | 1.57 | 1.67 | -0.10 |
| Dec | 1.20 | 1.50 | -0.30 |
29.57 | 30.59 | -1.02 |