| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.41 | -0.15 |
| Feb | 2.90 | 3.03 | -0.13 |
| Mar | 3.75 | 3.95 | -0.20 |
| Apr | 3.87 | 4.01 | -0.14 |
| May | 3.46 | 3.62 | -0.16 |
| Jun | 4.45 | 4.54 | -0.09 |
| Jul | 3.93 | 4.05 | -0.12 |
| Aug | 4.31 | 4.27 | 0.04 |
| Sep | 4.17 | 4.31 | -0.14 |
| Oct | 4.53 | 4.73 | -0.20 |
| Nov | 3.54 | 3.68 | -0.14 |
| Dec | 4.07 | 4.32 | -0.25 |
46.24 | 47.92 | -1.68 |