| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.63 | 4.64 | -0.01 |
| Feb | 4.96 | 4.88 | 0.08 |
| Mar | 5.15 | 5.10 | 0.05 |
| Apr | 4.74 | 4.82 | -0.08 |
| May | 4.83 | 5.04 | -0.21 |
| Jun | 4.76 | 5.23 | -0.47 |
| Jul | 4.92 | 5.21 | -0.29 |
| Aug | 3.93 | 4.10 | -0.17 |
| Sep | 3.60 | 3.74 | -0.14 |
| Oct | 3.43 | 3.44 | -0.01 |
| Nov | 3.86 | 3.83 | 0.03 |
| Dec | 5.42 | 5.53 | -0.11 |
54.23 | 55.56 | -1.33 |