| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.96 | -0.17 |
| Feb | 0.80 | 0.98 | -0.18 |
| Mar | 1.63 | 1.76 | -0.13 |
| Apr | 2.92 | 3.04 | -0.12 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 4.72 | 4.95 | -0.23 |
| Jul | 4.20 | 4.35 | -0.15 |
| Aug | 4.57 | 4.62 | -0.05 |
| Sep | 3.28 | 3.31 | -0.03 |
| Oct | 2.66 | 2.75 | -0.09 |
| Nov | 1.57 | 1.70 | -0.13 |
| Dec | 1.12 | 1.31 | -0.19 |
32.40 | 34.04 | -1.64 |