| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.58 | 5.99 | -0.41 |
| Feb | 4.00 | 4.21 | -0.21 |
| Mar | 4.61 | 4.78 | -0.17 |
| Apr | 3.62 | 3.86 | -0.24 |
| May | 2.61 | 2.84 | -0.23 |
| Jun | 2.09 | 2.31 | -0.22 |
| Jul | 0.92 | 1.02 | -0.10 |
| Aug | 1.10 | 1.10 | 0.00 |
| Sep | 2.05 | 2.31 | -0.26 |
| Oct | 4.38 | 4.41 | -0.03 |
| Nov | 6.19 | 6.66 | -0.47 |
| Dec | 6.05 | 6.32 | -0.27 |
43.20 | 45.81 | -2.61 |