| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.95 | -0.19 |
| Feb | 0.78 | 0.91 | -0.13 |
| Mar | 1.60 | 1.74 | -0.14 |
| Apr | 2.87 | 3.14 | -0.27 |
| May | 4.13 | 4.26 | -0.13 |
| Jun | 4.60 | 4.82 | -0.22 |
| Jul | 4.20 | 4.46 | -0.26 |
| Aug | 4.56 | 4.36 | 0.20 |
| Sep | 3.32 | 3.36 | -0.04 |
| Oct | 2.77 | 2.95 | -0.18 |
| Nov | 1.59 | 1.70 | -0.11 |
| Dec | 1.08 | 1.32 | -0.24 |
32.26 | 33.97 | -1.71 |