| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.74 | 3.68 | 0.06 |
| Feb | 3.46 | 3.47 | -0.01 |
| Mar | 3.88 | 3.86 | 0.02 |
| Apr | 3.62 | 3.54 | 0.08 |
| May | 4.22 | 4.22 | 0.00 |
| Jun | 5.58 | 5.37 | 0.21 |
| Jul | 6.22 | 5.99 | 0.23 |
| Aug | 6.96 | 6.93 | 0.03 |
| Sep | 7.25 | 7.33 | -0.08 |
| Oct | 4.07 | 3.86 | 0.21 |
| Nov | 3.64 | 3.48 | 0.16 |
| Dec | 3.56 | 3.56 | 0.00 |
56.20 | 55.29 | 0.91 |