| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.23 | 7.69 | 0.54 |
| Feb | 7.23 | 6.91 | 0.32 |
| Mar | 5.87 | 5.44 | 0.43 |
| Apr | 2.79 | 3.00 | -0.21 |
| May | 1.74 | 1.48 | 0.26 |
| Jun | 0.41 | 0.44 | -0.03 |
| Jul | 0.03 | 0.06 | -0.03 |
| Aug | 0.14 | 0.05 | 0.09 |
| Sep | 0.24 | 0.15 | 0.09 |
| Oct | 1.90 | 1.68 | 0.22 |
| Nov | 4.50 | 4.26 | 0.24 |
| Dec | 8.27 | 8.26 | 0.01 |
41.35 | 39.42 | 1.93 |