| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.71 | -0.05 |
| Feb | 3.16 | 3.20 | -0.04 |
| Mar | 3.93 | 4.03 | -0.10 |
| Apr | 3.60 | 3.62 | -0.02 |
| May | 3.52 | 3.45 | 0.07 |
| Jun | 4.01 | 4.16 | -0.15 |
| Jul | 3.64 | 3.78 | -0.14 |
| Aug | 4.16 | 3.98 | 0.18 |
| Sep | 3.60 | 3.73 | -0.13 |
| Oct | 3.11 | 3.11 | 0.00 |
| Nov | 3.24 | 3.32 | -0.08 |
| Dec | 3.63 | 3.73 | -0.10 |
43.26 | 43.82 | -0.56 |