| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.06 | 4.05 | 0.01 |
| Feb | 3.68 | 3.51 | 0.17 |
| Mar | 5.04 | 4.98 | 0.06 |
| Apr | 4.46 | 4.53 | -0.07 |
| May | 3.65 | 3.56 | 0.09 |
| Jun | 4.14 | 4.03 | 0.11 |
| Jul | 3.38 | 3.42 | -0.04 |
| Aug | 3.74 | 3.74 | 0.00 |
| Sep | 3.95 | 3.91 | 0.04 |
| Oct | 4.91 | 4.95 | -0.04 |
| Nov | 4.29 | 4.24 | 0.05 |
| Dec | 4.92 | 4.96 | -0.04 |
50.22 | 49.88 | 0.34 |