| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.65 | -0.03 |
| Feb | 0.59 | 0.63 | -0.04 |
| Mar | 1.09 | 1.15 | -0.06 |
| Apr | 1.92 | 2.08 | -0.16 |
| May | 3.11 | 3.33 | -0.22 |
| Jun | 4.26 | 4.27 | -0.01 |
| Jul | 3.83 | 4.08 | -0.25 |
| Aug | 2.87 | 3.00 | -0.13 |
| Sep | 2.88 | 2.96 | -0.08 |
| Oct | 2.56 | 2.69 | -0.13 |
| Nov | 1.03 | 1.11 | -0.08 |
| Dec | 0.75 | 0.92 | -0.17 |
25.51 | 26.87 | -1.36 |