| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.89 | -0.07 |
| Feb | 0.84 | 0.88 | -0.04 |
| Mar | 1.63 | 1.69 | -0.06 |
| Apr | 2.88 | 2.96 | -0.08 |
| May | 4.07 | 4.30 | -0.23 |
| Jun | 4.87 | 5.02 | -0.15 |
| Jul | 4.20 | 4.20 | 0.00 |
| Aug | 4.50 | 4.64 | -0.14 |
| Sep | 3.23 | 3.40 | -0.17 |
| Oct | 2.60 | 2.62 | -0.02 |
| Nov | 1.54 | 1.63 | -0.09 |
| Dec | 1.14 | 1.22 | -0.08 |
32.32 | 33.45 | -1.13 |