| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.63 | 0.03 |
| Feb | 0.66 | 0.62 | 0.04 |
| Mar | 1.21 | 1.15 | 0.06 |
| Apr | 2.21 | 2.13 | 0.08 |
| May | 3.32 | 3.30 | 0.02 |
| Jun | 4.32 | 4.33 | -0.01 |
| Jul | 4.31 | 4.20 | 0.11 |
| Aug | 3.34 | 3.32 | 0.02 |
| Sep | 2.93 | 2.77 | 0.16 |
| Oct | 2.61 | 2.60 | 0.01 |
| Nov | 1.11 | 1.00 | 0.11 |
| Dec | 0.79 | 0.80 | -0.01 |
27.47 | 26.85 | 0.62 |