| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.53 | 6.89 | 1.64 |
| Feb | 7.55 | 6.24 | 1.31 |
| Mar | 6.96 | 5.76 | 1.20 |
| Apr | 4.15 | 3.95 | 0.20 |
| May | 1.93 | 1.81 | 0.12 |
| Jun | 0.66 | 0.81 | -0.15 |
| Jul | 0.11 | 0.16 | -0.05 |
| Aug | 0.15 | 0.12 | 0.03 |
| Sep | 0.57 | 0.50 | 0.07 |
| Oct | 2.59 | 2.13 | 0.46 |
| Nov | 5.70 | 5.02 | 0.68 |
| Dec | 9.93 | 8.18 | 1.75 |
48.83 | 41.57 | 7.26 |