| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.57 | -0.09 |
| Feb | 3.35 | 3.54 | -0.19 |
| Mar | 3.43 | 3.52 | -0.09 |
| Apr | 3.26 | 3.23 | 0.03 |
| May | 3.29 | 3.36 | -0.07 |
| Jun | 5.50 | 5.52 | -0.02 |
| Jul | 5.70 | 5.70 | 0.00 |
| Aug | 6.32 | 6.44 | -0.12 |
| Sep | 4.81 | 4.75 | 0.06 |
| Oct | 3.76 | 3.56 | 0.20 |
| Nov | 2.80 | 2.94 | -0.14 |
| Dec | 3.42 | 3.53 | -0.11 |
49.12 | 49.66 | -0.54 |