| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.95 | -0.18 |
| Feb | 1.64 | 1.83 | -0.19 |
| Mar | 1.42 | 1.65 | -0.23 |
| Apr | 1.33 | 1.36 | -0.03 |
| May | 1.29 | 1.47 | -0.18 |
| Jun | 0.63 | 0.61 | 0.02 |
| Jul | 1.90 | 2.05 | -0.15 |
| Aug | 2.30 | 2.49 | -0.19 |
| Sep | 1.92 | 1.95 | -0.03 |
| Oct | 1.53 | 1.66 | -0.13 |
| Nov | 1.46 | 1.56 | -0.10 |
| Dec | 1.67 | 1.80 | -0.13 |
18.86 | 20.38 | -1.52 |