| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.74 | -0.20 |
| Feb | 3.05 | 3.28 | -0.23 |
| Mar | 3.88 | 4.07 | -0.19 |
| Apr | 3.80 | 4.01 | -0.21 |
| May | 4.54 | 4.80 | -0.26 |
| Jun | 4.35 | 4.73 | -0.38 |
| Jul | 4.90 | 5.02 | -0.12 |
| Aug | 3.78 | 3.93 | -0.15 |
| Sep | 3.45 | 3.77 | -0.32 |
| Oct | 3.24 | 3.33 | -0.09 |
| Nov | 3.03 | 3.19 | -0.16 |
| Dec | 3.53 | 3.76 | -0.23 |
45.09 | 47.63 | -2.54 |