| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.98 | -0.06 |
| Feb | 0.98 | 1.00 | -0.02 |
| Mar | 1.67 | 1.82 | -0.15 |
| Apr | 2.91 | 3.01 | -0.10 |
| May | 4.05 | 3.87 | 0.18 |
| Jun | 4.64 | 4.59 | 0.05 |
| Jul | 4.12 | 3.96 | 0.16 |
| Aug | 4.01 | 4.26 | -0.25 |
| Sep | 3.59 | 3.56 | 0.03 |
| Oct | 2.92 | 2.95 | -0.03 |
| Nov | 1.80 | 1.77 | 0.03 |
| Dec | 1.26 | 1.30 | -0.04 |
32.87 | 33.07 | -0.20 |