| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.59 | 1.56 | 0.03 |
| Feb | 1.17 | 1.16 | 0.01 |
| Mar | 1.83 | 1.77 | 0.06 |
| Apr | 3.02 | 3.05 | -0.03 |
| May | 3.46 | 3.38 | 0.08 |
| Jun | 3.88 | 3.85 | 0.03 |
| Jul | 3.50 | 3.51 | -0.01 |
| Aug | 3.35 | 3.35 | 0.00 |
| Sep | 3.22 | 3.14 | 0.08 |
| Oct | 3.03 | 3.01 | 0.02 |
| Nov | 2.18 | 2.11 | 0.07 |
| Dec | 1.81 | 1.73 | 0.08 |
32.04 | 31.62 | 0.42 |