| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.52 | -0.09 |
| Feb | 3.29 | 3.56 | -0.27 |
| Mar | 4.62 | 4.64 | -0.02 |
| Apr | 4.46 | 4.63 | -0.17 |
| May | 5.16 | 5.26 | -0.10 |
| Jun | 4.83 | 4.92 | -0.09 |
| Jul | 5.28 | 5.01 | 0.27 |
| Aug | 3.49 | 3.47 | 0.02 |
| Sep | 3.73 | 3.46 | 0.27 |
| Oct | 3.44 | 3.45 | -0.01 |
| Nov | 3.26 | 3.20 | 0.06 |
| Dec | 4.01 | 4.07 | -0.06 |
49.00 | 49.19 | -0.19 |