| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.72 | 0.00 |
| Feb | 1.00 | 1.00 | 0.00 |
| Mar | 1.69 | 1.77 | -0.08 |
| Apr | 2.12 | 2.27 | -0.15 |
| May | 4.27 | 4.47 | -0.20 |
| Jun | 3.81 | 3.60 | 0.21 |
| Jul | 3.80 | 3.76 | 0.04 |
| Aug | 3.54 | 3.54 | 0.00 |
| Sep | 2.18 | 1.91 | 0.27 |
| Oct | 2.07 | 2.06 | 0.01 |
| Nov | 1.07 | 1.05 | 0.02 |
| Dec | 0.98 | 0.96 | 0.02 |
27.25 | 27.11 | 0.14 |