| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.72 | -0.02 |
| Feb | 0.73 | 0.74 | -0.01 |
| Mar | 1.34 | 1.37 | -0.03 |
| Apr | 2.24 | 2.40 | -0.16 |
| May | 3.53 | 3.54 | -0.01 |
| Jun | 4.37 | 4.44 | -0.07 |
| Jul | 4.52 | 4.37 | 0.15 |
| Aug | 3.55 | 3.31 | 0.24 |
| Sep | 3.01 | 2.92 | 0.09 |
| Oct | 2.81 | 2.70 | 0.11 |
| Nov | 1.39 | 1.36 | 0.03 |
| Dec | 0.95 | 0.99 | -0.04 |
29.14 | 28.86 | 0.28 |