| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.81 | -0.02 |
| Feb | 1.31 | 1.26 | 0.05 |
| Mar | 2.31 | 2.24 | 0.07 |
| Apr | 3.11 | 2.96 | 0.15 |
| May | 5.25 | 5.02 | 0.23 |
| Jun | 5.10 | 5.01 | 0.09 |
| Jul | 4.29 | 4.15 | 0.14 |
| Aug | 4.05 | 3.95 | 0.10 |
| Sep | 3.06 | 3.01 | 0.05 |
| Oct | 2.81 | 2.69 | 0.12 |
| Nov | 1.64 | 1.61 | 0.03 |
| Dec | 1.19 | 1.20 | -0.01 |
34.91 | 33.91 | 1.00 |