| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.54 | -0.03 |
| Feb | 0.70 | 0.77 | -0.07 |
| Mar | 1.36 | 1.42 | -0.06 |
| Apr | 2.41 | 2.46 | -0.05 |
| May | 4.00 | 4.29 | -0.29 |
| Jun | 3.63 | 3.81 | -0.18 |
| Jul | 4.16 | 4.00 | 0.16 |
| Aug | 3.17 | 3.16 | 0.01 |
| Sep | 1.83 | 1.80 | 0.03 |
| Oct | 1.98 | 2.01 | -0.03 |
| Nov | 0.99 | 1.03 | -0.04 |
| Dec | 0.75 | 0.78 | -0.03 |
25.49 | 26.07 | -0.58 |