| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 10.49 | 10.08 | 0.41 |
| Feb | 8.13 | 7.92 | 0.21 |
| Mar | 9.22 | 9.23 | -0.01 |
| Apr | 7.32 | 7.28 | 0.04 |
| May | 5.04 | 5.20 | -0.16 |
| Jun | 3.30 | 3.62 | -0.32 |
| Jul | 0.70 | 0.77 | -0.07 |
| Aug | 0.92 | 0.75 | 0.17 |
| Sep | 2.91 | 2.70 | 0.21 |
| Oct | 6.95 | 6.30 | 0.65 |
| Nov | 11.01 | 10.15 | 0.86 |
| Dec | 12.41 | 10.65 | 1.76 |
78.40 | 74.65 | 3.75 |