| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.10 | 10.65 | -3.55 |
| Feb | 5.21 | 7.77 | -2.56 |
| Mar | 4.80 | 8.37 | -3.57 |
| Apr | 3.05 | 5.30 | -2.25 |
| May | 1.67 | 2.59 | -0.92 |
| Jun | 0.81 | 1.19 | -0.38 |
| Jul | 0.30 | 0.45 | -0.15 |
| Aug | 0.29 | 0.26 | 0.03 |
| Sep | 0.63 | 1.03 | -0.40 |
| Oct | 2.48 | 4.18 | -1.70 |
| Nov | 5.70 | 8.73 | -3.03 |
| Dec | 8.38 | 12.54 | -4.16 |
40.42 | 63.06 | -22.64 |