| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.05 | 8.07 | 0.98 |
| Feb | 8.69 | 7.34 | 1.35 |
| Mar | 7.69 | 7.28 | 0.41 |
| Apr | 4.18 | 3.73 | 0.45 |
| May | 2.41 | 2.16 | 0.25 |
| Jun | 0.73 | 0.62 | 0.11 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.08 | 0.12 | -0.04 |
| Sep | 0.45 | 0.36 | 0.09 |
| Oct | 2.64 | 2.17 | 0.47 |
| Nov | 5.28 | 4.48 | 0.80 |
| Dec | 9.88 | 8.60 | 1.28 |
51.09 | 44.94 | 6.15 |