| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.76 | -0.10 |
| Feb | 3.12 | 3.22 | -0.10 |
| Mar | 3.87 | 4.03 | -0.16 |
| Apr | 3.54 | 3.64 | -0.10 |
| May | 3.55 | 3.50 | 0.05 |
| Jun | 4.05 | 4.17 | -0.12 |
| Jul | 3.69 | 3.88 | -0.19 |
| Aug | 4.08 | 4.05 | 0.03 |
| Sep | 3.65 | 3.79 | -0.14 |
| Oct | 3.10 | 3.15 | -0.05 |
| Nov | 3.20 | 3.30 | -0.10 |
| Dec | 3.60 | 3.75 | -0.15 |
43.11 | 44.24 | -1.13 |