| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.64 | -0.06 |
| Feb | 3.23 | 3.24 | -0.01 |
| Mar | 4.16 | 4.14 | 0.02 |
| Apr | 4.22 | 4.15 | 0.07 |
| May | 3.84 | 3.84 | 0.00 |
| Jun | 4.57 | 4.54 | 0.03 |
| Jul | 4.27 | 4.27 | 0.00 |
| Aug | 4.37 | 4.40 | -0.03 |
| Sep | 4.68 | 4.57 | 0.11 |
| Oct | 5.26 | 5.27 | -0.01 |
| Nov | 3.89 | 3.92 | -0.03 |
| Dec | 4.49 | 4.62 | -0.13 |
50.56 | 50.60 | -0.04 |