| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.20 | -0.15 |
| Feb | 1.01 | 1.10 | -0.09 |
| Mar | 1.32 | 1.23 | 0.09 |
| Apr | 2.36 | 2.25 | 0.11 |
| May | 2.98 | 2.99 | -0.01 |
| Jun | 3.92 | 3.78 | 0.14 |
| Jul | 3.54 | 3.36 | 0.18 |
| Aug | 2.87 | 2.87 | 0.00 |
| Sep | 3.19 | 3.16 | 0.03 |
| Oct | 3.03 | 2.94 | 0.09 |
| Nov | 1.99 | 1.93 | 0.06 |
| Dec | 1.57 | 1.40 | 0.17 |
28.83 | 28.21 | 0.62 |