| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.86 | 8.21 | 0.65 |
| Feb | 6.31 | 6.08 | 0.23 |
| Mar | 6.16 | 5.70 | 0.46 |
| Apr | 4.19 | 4.00 | 0.19 |
| May | 2.25 | 2.32 | -0.07 |
| Jun | 1.25 | 1.37 | -0.12 |
| Jul | 0.26 | 0.29 | -0.03 |
| Aug | 0.42 | 0.44 | -0.02 |
| Sep | 1.44 | 1.42 | 0.02 |
| Oct | 4.19 | 3.99 | 0.20 |
| Nov | 8.23 | 7.64 | 0.59 |
| Dec | 10.46 | 9.67 | 0.79 |
54.02 | 51.13 | 2.89 |