| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.77 | -0.22 |
| Feb | 3.29 | 3.44 | -0.15 |
| Mar | 3.76 | 3.94 | -0.18 |
| Apr | 3.14 | 3.27 | -0.13 |
| May | 3.93 | 4.01 | -0.08 |
| Jun | 4.77 | 4.63 | 0.14 |
| Jul | 6.36 | 6.24 | 0.12 |
| Aug | 6.91 | 7.09 | -0.18 |
| Sep | 7.70 | 8.36 | -0.66 |
| Oct | 4.75 | 4.81 | -0.06 |
| Nov | 3.46 | 3.60 | -0.14 |
| Dec | 3.64 | 3.70 | -0.06 |
55.26 | 56.86 | -1.60 |