| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.02 | 4.98 | 0.04 |
| Feb | 4.81 | 4.87 | -0.06 |
| Mar | 5.28 | 5.14 | 0.14 |
| Apr | 4.54 | 4.80 | -0.26 |
| May | 3.44 | 3.36 | 0.08 |
| Jun | 5.22 | 5.14 | 0.08 |
| Jul | 5.85 | 6.19 | -0.34 |
| Aug | 4.75 | 5.18 | -0.43 |
| Sep | 4.18 | 4.29 | -0.11 |
| Oct | 3.32 | 3.09 | 0.23 |
| Nov | 4.04 | 4.01 | 0.03 |
| Dec | 5.27 | 5.26 | 0.01 |
55.72 | 56.31 | -0.59 |