| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.65 | 8.31 | 0.34 |
| Feb | 7.76 | 7.09 | 0.67 |
| Mar | 7.21 | 6.55 | 0.66 |
| Apr | 4.09 | 3.78 | 0.31 |
| May | 1.94 | 1.86 | 0.08 |
| Jun | 0.63 | 0.65 | -0.02 |
| Jul | 0.11 | 0.15 | -0.04 |
| Aug | 0.14 | 0.11 | 0.03 |
| Sep | 0.47 | 0.47 | 0.00 |
| Oct | 2.47 | 2.26 | 0.21 |
| Nov | 5.49 | 4.87 | 0.62 |
| Dec | 9.82 | 8.86 | 0.96 |
48.78 | 44.96 | 3.82 |