| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.04 | 0.05 |
| Feb | 2.66 | 2.60 | 0.06 |
| Mar | 3.51 | 3.32 | 0.19 |
| Apr | 3.65 | 3.42 | 0.23 |
| May | 4.19 | 4.03 | 0.16 |
| Jun | 3.92 | 3.74 | 0.18 |
| Jul | 4.08 | 3.77 | 0.31 |
| Aug | 3.59 | 3.04 | 0.55 |
| Sep | 3.50 | 3.15 | 0.35 |
| Oct | 2.86 | 2.69 | 0.17 |
| Nov | 2.76 | 2.64 | 0.12 |
| Dec | 3.10 | 3.03 | 0.07 |
40.91 | 38.47 | 2.44 |