| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.73 | -0.03 |
| Feb | 0.74 | 0.75 | -0.01 |
| Mar | 1.36 | 1.39 | -0.03 |
| Apr | 2.28 | 2.42 | -0.14 |
| May | 3.53 | 3.56 | -0.03 |
| Jun | 4.38 | 4.45 | -0.07 |
| Jul | 4.52 | 4.38 | 0.14 |
| Aug | 3.60 | 3.33 | 0.27 |
| Sep | 3.03 | 2.92 | 0.11 |
| Oct | 2.84 | 2.73 | 0.11 |
| Nov | 1.40 | 1.39 | 0.01 |
| Dec | 0.96 | 1.00 | -0.04 |
29.34 | 29.05 | 0.29 |