| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.93 | -0.24 |
| Feb | 2.28 | 2.32 | -0.04 |
| Mar | 3.13 | 3.18 | -0.05 |
| Apr | 3.69 | 3.80 | -0.11 |
| May | 3.97 | 4.06 | -0.09 |
| Jun | 4.52 | 4.48 | 0.04 |
| Jul | 4.22 | 3.92 | 0.30 |
| Aug | 3.60 | 3.65 | -0.05 |
| Sep | 3.31 | 3.36 | -0.05 |
| Oct | 3.06 | 3.09 | -0.03 |
| Nov | 2.78 | 2.83 | -0.05 |
| Dec | 2.77 | 2.91 | -0.14 |
40.02 | 40.53 | -0.51 |