| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 8.51 | 9.34 | -0.83 |
| Feb | 5.03 | 5.97 | -0.94 |
| Mar | 5.99 | 7.43 | -1.44 |
| Apr | 4.56 | 5.21 | -0.65 |
| May | 3.54 | 4.21 | -0.67 |
| Jun | 3.19 | 3.43 | -0.24 |
| Jul | 1.85 | 1.78 | 0.07 |
| Aug | 1.93 | 2.65 | -0.72 |
| Sep | 3.24 | 3.43 | -0.19 |
| Oct | 6.32 | 7.52 | -1.20 |
| Nov | 9.69 | 10.62 | -0.93 |
| Dec | 7.71 | 9.15 | -1.44 |
61.56 | 70.74 | -9.18 |