| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.78 | -0.01 |
| Feb | 0.70 | 0.70 | 0.00 |
| Mar | 1.18 | 1.15 | 0.03 |
| Apr | 1.91 | 1.92 | -0.01 |
| May | 3.00 | 3.06 | -0.06 |
| Jun | 4.45 | 4.35 | 0.10 |
| Jul | 3.96 | 4.11 | -0.15 |
| Aug | 3.18 | 3.36 | -0.18 |
| Sep | 2.96 | 3.14 | -0.18 |
| Oct | 2.63 | 2.60 | 0.03 |
| Nov | 1.32 | 1.35 | -0.03 |
| Dec | 0.96 | 1.02 | -0.06 |
27.02 | 27.54 | -0.52 |