| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.80 | -0.10 |
| Feb | 0.63 | 0.73 | -0.10 |
| Mar | 0.63 | 0.71 | -0.08 |
| Apr | 0.53 | 0.68 | -0.15 |
| May | 0.88 | 0.96 | -0.08 |
| Jun | 1.40 | 1.60 | -0.20 |
| Jul | 3.35 | 3.54 | -0.19 |
| Aug | 3.24 | 3.42 | -0.18 |
| Sep | 2.21 | 2.43 | -0.22 |
| Oct | 1.45 | 1.35 | 0.10 |
| Nov | 0.64 | 0.77 | -0.13 |
| Dec | 1.10 | 1.04 | 0.06 |
16.76 | 18.03 | -1.27 |