| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.91 | 0.98 | -0.07 |
| Feb | 0.97 | 1.00 | -0.03 |
| Mar | 1.66 | 1.82 | -0.16 |
| Apr | 2.89 | 3.01 | -0.12 |
| May | 4.07 | 3.87 | 0.20 |
| Jun | 4.62 | 4.59 | 0.03 |
| Jul | 4.15 | 3.96 | 0.19 |
| Aug | 4.04 | 4.26 | -0.22 |
| Sep | 3.58 | 3.56 | 0.02 |
| Oct | 2.94 | 2.95 | -0.01 |
| Nov | 1.79 | 1.77 | 0.02 |
| Dec | 1.25 | 1.30 | -0.05 |
32.87 | 33.07 | -0.20 |