| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.61 | 5.71 | -0.10 |
| Feb | 4.50 | 4.40 | 0.10 |
| Mar | 5.35 | 5.46 | -0.11 |
| Apr | 5.49 | 5.75 | -0.26 |
| May | 5.31 | 5.40 | -0.09 |
| Jun | 6.54 | 7.03 | -0.49 |
| Jul | 7.47 | 7.73 | -0.26 |
| Aug | 6.52 | 6.65 | -0.13 |
| Sep | 5.24 | 5.80 | -0.56 |
| Oct | 3.62 | 3.68 | -0.06 |
| Nov | 4.01 | 4.20 | -0.19 |
| Dec | 4.98 | 5.00 | -0.02 |
64.64 | 66.81 | -2.17 |