| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.75 | 5.94 | -0.19 |
| Feb | 4.29 | 4.37 | -0.08 |
| Mar | 4.24 | 4.34 | -0.10 |
| Apr | 3.10 | 3.26 | -0.16 |
| May | 2.32 | 2.34 | -0.02 |
| Jun | 1.50 | 1.58 | -0.08 |
| Jul | 0.40 | 0.41 | -0.01 |
| Aug | 0.54 | 0.48 | 0.06 |
| Sep | 1.44 | 1.44 | 0.00 |
| Oct | 3.53 | 3.57 | -0.04 |
| Nov | 6.07 | 6.21 | -0.14 |
| Dec | 6.84 | 7.08 | -0.24 |
40.02 | 41.02 | -1.00 |