| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 5.29 | -0.27 |
| Feb | 5.17 | 5.43 | -0.26 |
| Mar | 5.22 | 5.45 | -0.23 |
| Apr | 5.41 | 5.34 | 0.07 |
| May | 4.49 | 4.85 | -0.36 |
| Jun | 4.24 | 4.64 | -0.40 |
| Jul | 4.66 | 4.93 | -0.27 |
| Aug | 3.92 | 4.08 | -0.16 |
| Sep | 3.82 | 4.08 | -0.26 |
| Oct | 3.78 | 3.79 | -0.01 |
| Nov | 4.30 | 4.30 | 0.00 |
| Dec | 5.88 | 6.15 | -0.27 |
55.91 | 58.33 | -2.42 |