| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.78 | 4.92 | -0.14 |
| Feb | 5.03 | 4.96 | 0.07 |
| Mar | 5.21 | 5.13 | 0.08 |
| Apr | 4.76 | 5.03 | -0.27 |
| May | 4.07 | 4.36 | -0.29 |
| Jun | 4.86 | 4.60 | 0.26 |
| Jul | 4.53 | 5.44 | -0.91 |
| Aug | 4.00 | 3.81 | 0.19 |
| Sep | 3.79 | 3.91 | -0.12 |
| Oct | 3.10 | 3.04 | 0.06 |
| Nov | 4.46 | 4.18 | 0.28 |
| Dec | 5.24 | 5.46 | -0.22 |
53.83 | 54.84 | -1.01 |