| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.87 | -0.11 |
| Feb | 3.38 | 3.55 | -0.17 |
| Mar | 3.85 | 4.00 | -0.15 |
| Apr | 3.23 | 3.47 | -0.24 |
| May | 4.03 | 4.12 | -0.09 |
| Jun | 5.02 | 4.78 | 0.24 |
| Jul | 6.32 | 6.78 | -0.46 |
| Aug | 7.06 | 7.47 | -0.41 |
| Sep | 8.16 | 9.07 | -0.91 |
| Oct | 4.80 | 5.02 | -0.22 |
| Nov | 3.58 | 3.77 | -0.19 |
| Dec | 3.66 | 3.92 | -0.26 |
56.85 | 59.82 | -2.97 |