| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.45 | 5.63 | -0.18 |
| Feb | 5.34 | 5.45 | -0.11 |
| Mar | 5.51 | 5.71 | -0.20 |
| Apr | 5.35 | 5.58 | -0.23 |
| May | 4.57 | 5.01 | -0.44 |
| Jun | 4.42 | 4.50 | -0.08 |
| Jul | 4.43 | 4.54 | -0.11 |
| Aug | 3.86 | 4.14 | -0.28 |
| Sep | 3.99 | 4.24 | -0.25 |
| Oct | 3.78 | 3.79 | -0.01 |
| Nov | 4.50 | 4.56 | -0.06 |
| Dec | 5.81 | 6.08 | -0.27 |
57.01 | 59.23 | -2.22 |