| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.69 | -0.09 |
| Feb | 3.11 | 3.12 | -0.01 |
| Mar | 3.81 | 4.05 | -0.24 |
| Apr | 3.62 | 3.73 | -0.11 |
| May | 3.62 | 3.46 | 0.16 |
| Jun | 4.20 | 4.38 | -0.18 |
| Jul | 3.99 | 4.36 | -0.37 |
| Aug | 4.24 | 4.45 | -0.21 |
| Sep | 3.93 | 4.12 | -0.19 |
| Oct | 3.29 | 3.40 | -0.11 |
| Nov | 3.29 | 3.33 | -0.04 |
| Dec | 3.54 | 3.66 | -0.12 |
44.24 | 45.75 | -1.51 |