| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.36 | 6.21 | 0.15 |
| Feb | 4.98 | 4.75 | 0.23 |
| Mar | 5.15 | 4.71 | 0.44 |
| Apr | 3.34 | 3.16 | 0.18 |
| May | 2.08 | 2.12 | -0.04 |
| Jun | 1.09 | 1.27 | -0.18 |
| Jul | 0.30 | 0.31 | -0.01 |
| Aug | 0.35 | 0.34 | 0.01 |
| Sep | 1.24 | 1.31 | -0.07 |
| Oct | 3.33 | 3.27 | 0.06 |
| Nov | 6.19 | 6.06 | 0.13 |
| Dec | 7.56 | 7.41 | 0.15 |
41.97 | 40.92 | 1.05 |