| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 3.94 | -0.07 |
| Feb | 3.67 | 3.73 | -0.06 |
| Mar | 4.29 | 4.32 | -0.03 |
| Apr | 3.21 | 3.24 | -0.03 |
| May | 3.38 | 3.35 | 0.03 |
| Jun | 4.06 | 4.21 | -0.15 |
| Jul | 3.93 | 3.80 | 0.13 |
| Aug | 4.03 | 4.26 | -0.23 |
| Sep | 3.65 | 3.66 | -0.01 |
| Oct | 3.19 | 3.19 | 0.00 |
| Nov | 3.38 | 3.46 | -0.08 |
| Dec | 4.27 | 4.28 | -0.01 |
44.93 | 45.44 | -0.51 |