| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.16 | -0.13 |
| Feb | 3.17 | 3.15 | 0.02 |
| Mar | 3.54 | 3.68 | -0.14 |
| Apr | 3.74 | 3.51 | 0.23 |
| May | 4.93 | 4.92 | 0.01 |
| Jun | 4.87 | 4.52 | 0.35 |
| Jul | 3.34 | 3.28 | 0.06 |
| Aug | 3.96 | 4.16 | -0.20 |
| Sep | 3.90 | 4.07 | -0.17 |
| Oct | 5.06 | 5.12 | -0.06 |
| Nov | 4.52 | 4.56 | -0.04 |
| Dec | 4.06 | 4.16 | -0.10 |
49.12 | 49.29 | -0.17 |