| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.67 | 0.05 |
| Feb | 0.80 | 0.73 | 0.07 |
| Mar | 1.50 | 1.46 | 0.04 |
| Apr | 2.54 | 2.57 | -0.03 |
| May | 3.67 | 3.62 | 0.05 |
| Jun | 4.20 | 4.31 | -0.11 |
| Jul | 4.03 | 3.94 | 0.09 |
| Aug | 3.84 | 3.92 | -0.08 |
| Sep | 2.87 | 2.95 | -0.08 |
| Oct | 2.64 | 2.67 | -0.03 |
| Nov | 1.37 | 1.32 | 0.05 |
| Dec | 0.89 | 0.90 | -0.01 |
29.07 | 29.06 | 0.01 |