| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.60 | -0.09 |
| Feb | 0.50 | 0.56 | -0.06 |
| Mar | 0.86 | 0.87 | -0.01 |
| Apr | 1.32 | 1.17 | 0.15 |
| May | 2.87 | 2.84 | 0.03 |
| Jun | 4.00 | 3.87 | 0.13 |
| Jul | 3.52 | 3.50 | 0.02 |
| Aug | 2.66 | 2.89 | -0.23 |
| Sep | 2.53 | 2.46 | 0.07 |
| Oct | 1.93 | 1.93 | 0.00 |
| Nov | 0.86 | 0.80 | 0.06 |
| Dec | 0.70 | 0.78 | -0.08 |
22.26 | 22.27 | -0.01 |