| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.60 | -0.19 |
| Feb | 0.48 | 0.66 | -0.18 |
| Mar | 1.10 | 1.34 | -0.24 |
| Apr | 1.81 | 2.25 | -0.44 |
| May | 2.36 | 2.47 | -0.11 |
| Jun | 2.09 | 2.38 | -0.29 |
| Jul | 2.51 | 2.50 | 0.01 |
| Aug | 2.13 | 2.34 | -0.21 |
| Sep | 1.21 | 1.41 | -0.20 |
| Oct | 0.95 | 1.16 | -0.21 |
| Nov | 0.68 | 0.83 | -0.15 |
| Dec | 0.48 | 0.64 | -0.16 |
16.21 | 18.58 | -2.37 |