| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 4.15 | -0.28 |
| Feb | 3.46 | 3.53 | -0.07 |
| Mar | 4.82 | 5.19 | -0.37 |
| Apr | 4.32 | 4.63 | -0.31 |
| May | 3.45 | 3.40 | 0.05 |
| Jun | 3.81 | 4.00 | -0.19 |
| Jul | 3.21 | 3.17 | 0.04 |
| Aug | 3.69 | 3.73 | -0.04 |
| Sep | 4.00 | 4.06 | -0.06 |
| Oct | 4.50 | 4.63 | -0.13 |
| Nov | 4.16 | 4.24 | -0.08 |
| Dec | 4.70 | 4.93 | -0.23 |
47.99 | 49.66 | -1.67 |