| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.83 | 5.78 | -0.95 |
| Feb | 3.59 | 4.29 | -0.70 |
| Mar | 4.31 | 4.46 | -0.15 |
| Apr | 3.16 | 3.41 | -0.25 |
| May | 2.32 | 2.51 | -0.19 |
| Jun | 1.91 | 2.09 | -0.18 |
| Jul | 0.88 | 0.91 | -0.03 |
| Aug | 1.05 | 1.05 | 0.00 |
| Sep | 1.83 | 1.99 | -0.16 |
| Oct | 3.93 | 4.15 | -0.22 |
| Nov | 5.29 | 6.50 | -1.21 |
| Dec | 5.35 | 5.77 | -0.42 |
38.45 | 42.91 | -4.46 |