| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.35 | 0.41 |
| Feb | 3.17 | 3.24 | -0.07 |
| Mar | 3.73 | 3.87 | -0.14 |
| Apr | 4.25 | 4.01 | 0.24 |
| May | 4.12 | 4.14 | -0.02 |
| Jun | 4.73 | 5.00 | -0.27 |
| Jul | 4.50 | 4.71 | -0.21 |
| Aug | 4.18 | 4.15 | 0.03 |
| Sep | 3.98 | 4.10 | -0.12 |
| Oct | 5.04 | 5.23 | -0.19 |
| Nov | 3.91 | 3.84 | 0.07 |
| Dec | 4.46 | 4.20 | 0.26 |
49.83 | 49.84 | -0.01 |