| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.82 | -0.03 |
| Feb | 1.31 | 1.28 | 0.03 |
| Mar | 2.31 | 2.32 | -0.01 |
| Apr | 3.18 | 2.99 | 0.19 |
| May | 5.22 | 4.92 | 0.30 |
| Jun | 4.99 | 5.02 | -0.03 |
| Jul | 4.33 | 4.26 | 0.07 |
| Aug | 4.03 | 3.98 | 0.05 |
| Sep | 3.16 | 3.17 | -0.01 |
| Oct | 2.77 | 2.64 | 0.13 |
| Nov | 1.64 | 1.59 | 0.05 |
| Dec | 1.18 | 1.19 | -0.01 |
34.91 | 34.18 | 0.73 |