| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 4.10 | -0.46 |
| Feb | 3.14 | 3.66 | -0.52 |
| Mar | 4.08 | 4.86 | -0.78 |
| Apr | 3.93 | 4.24 | -0.31 |
| May | 3.22 | 3.18 | 0.04 |
| Jun | 3.12 | 2.83 | 0.29 |
| Jul | 2.37 | 2.45 | -0.08 |
| Aug | 3.27 | 3.09 | 0.18 |
| Sep | 3.81 | 3.87 | -0.06 |
| Oct | 4.35 | 4.58 | -0.23 |
| Nov | 3.94 | 4.14 | -0.20 |
| Dec | 4.30 | 4.93 | -0.63 |
43.17 | 45.93 | -2.76 |