| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.52 | 4.38 | 0.14 |
| Feb | 4.87 | 4.84 | 0.03 |
| Mar | 5.58 | 5.24 | 0.34 |
| Apr | 5.06 | 5.46 | -0.40 |
| May | 5.30 | 5.74 | -0.44 |
| Jun | 4.93 | 4.61 | 0.32 |
| Jul | 4.32 | 4.84 | -0.52 |
| Aug | 3.83 | 3.63 | 0.20 |
| Sep | 3.75 | 4.04 | -0.29 |
| Oct | 3.57 | 3.93 | -0.36 |
| Nov | 4.29 | 4.09 | 0.20 |
| Dec | 5.16 | 5.38 | -0.22 |
55.18 | 56.18 | -1.00 |