| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 3.99 | 0.03 |
| Feb | 4.61 | 4.51 | 0.10 |
| Mar | 5.15 | 5.26 | -0.11 |
| Apr | 5.24 | 5.32 | -0.08 |
| May | 5.47 | 5.76 | -0.29 |
| Jun | 4.45 | 4.27 | 0.18 |
| Jul | 4.25 | 4.29 | -0.04 |
| Aug | 3.44 | 3.46 | -0.02 |
| Sep | 3.61 | 3.87 | -0.26 |
| Oct | 3.50 | 3.76 | -0.26 |
| Nov | 4.36 | 4.56 | -0.20 |
| Dec | 4.94 | 5.12 | -0.18 |
53.04 | 54.17 | -1.13 |