| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.91 | 4.88 | 0.03 |
| Feb | 5.05 | 5.12 | -0.07 |
| Mar | 5.07 | 5.08 | -0.01 |
| Apr | 4.58 | 4.58 | 0.00 |
| May | 3.31 | 3.30 | 0.01 |
| Jun | 5.10 | 4.91 | 0.19 |
| Jul | 5.93 | 6.11 | -0.18 |
| Aug | 5.21 | 5.26 | -0.05 |
| Sep | 4.52 | 4.21 | 0.31 |
| Oct | 3.28 | 3.04 | 0.24 |
| Nov | 3.86 | 3.87 | -0.01 |
| Dec | 5.30 | 5.16 | 0.14 |
56.12 | 55.52 | 0.60 |