| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.49 | 0.13 |
| Feb | 4.32 | 4.35 | -0.03 |
| Mar | 4.87 | 4.60 | 0.27 |
| Apr | 4.73 | 4.14 | 0.59 |
| May | 4.27 | 3.87 | 0.40 |
| Jun | 5.38 | 4.44 | 0.94 |
| Jul | 4.96 | 4.77 | 0.19 |
| Aug | 4.38 | 3.58 | 0.80 |
| Sep | 3.36 | 3.50 | -0.14 |
| Oct | 3.62 | 2.93 | 0.69 |
| Nov | 4.22 | 3.44 | 0.78 |
| Dec | 4.51 | 5.01 | -0.50 |
53.24 | 49.12 | 4.12 |