| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.14 | 1.23 | -0.09 |
| Feb | 1.03 | 1.08 | -0.05 |
| Mar | 1.60 | 1.67 | -0.07 |
| Apr | 2.70 | 2.76 | -0.06 |
| May | 3.26 | 3.36 | -0.10 |
| Jun | 3.71 | 3.98 | -0.27 |
| Jul | 3.52 | 3.67 | -0.15 |
| Aug | 3.15 | 3.11 | 0.04 |
| Sep | 3.42 | 3.45 | -0.03 |
| Oct | 3.09 | 3.20 | -0.11 |
| Nov | 1.96 | 1.94 | 0.02 |
| Dec | 1.45 | 1.58 | -0.13 |
30.03 | 31.03 | -1.00 |