| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.65 | -0.11 |
| Feb | 3.24 | 3.16 | 0.08 |
| Mar | 3.58 | 3.69 | -0.11 |
| Apr | 2.98 | 3.05 | -0.07 |
| May | 3.18 | 3.26 | -0.08 |
| Jun | 4.02 | 4.19 | -0.17 |
| Jul | 4.22 | 4.42 | -0.20 |
| Aug | 4.65 | 4.72 | -0.07 |
| Sep | 4.00 | 4.05 | -0.05 |
| Oct | 3.24 | 3.29 | -0.05 |
| Nov | 3.01 | 2.95 | 0.06 |
| Dec | 3.65 | 3.77 | -0.12 |
43.31 | 44.20 | -0.89 |