| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.65 | -0.23 |
| Feb | 0.52 | 0.72 | -0.20 |
| Mar | 1.01 | 1.41 | -0.40 |
| Apr | 1.87 | 2.70 | -0.83 |
| May | 2.22 | 2.59 | -0.37 |
| Jun | 2.11 | 2.47 | -0.36 |
| Jul | 3.43 | 3.33 | 0.10 |
| Aug | 2.93 | 4.03 | -1.10 |
| Sep | 1.40 | 2.09 | -0.69 |
| Oct | 0.95 | 1.15 | -0.20 |
| Nov | 0.61 | 0.92 | -0.31 |
| Dec | 0.41 | 0.67 | -0.26 |
17.88 | 22.73 | -4.85 |